Vulnerabilites related to ultravnc - UltraVNC
cve-2022-24750
Vulnerability from cvelistv5
Published
2022-03-10 00:00
Modified
2024-08-03 04:20
Severity ?
EPSS score ?
Summary
UltraVNC is a free and open source remote pc access software. A vulnerability has been found in versions prior to 1.3.8.0 in which the DSM plugin module, which allows a local authenticated user to achieve local privilege escalation (LPE) on a vulnerable system. The vulnerability has been fixed to allow loading of plugins from the installed directory. Affected users should upgrade their UltraVNC to 1.3.8.1. Users unable to upgrade should not install and run UltraVNC server as a service. It is advisable to create a scheduled task on a low privilege account to launch WinVNC.exe instead. There are no known workarounds if winvnc needs to be started as a service.
References
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cve-2010-5248
Vulnerability from cvelistv5
Published
2012-09-07 10:00
Modified
2024-09-16 22:41
Severity ?
EPSS score ?
Summary
Untrusted search path vulnerability in UltraVNC 1.0.8.2 allows local users to gain privileges via a Trojan horse vnclang.dll file in the current working directory, as demonstrated by a directory that contains a .vnc file. NOTE: some of these details are obtained from third party information.
References
| ▼ | URL | Tags |
|---|---|---|
| http://web.archive.org/web/20100924002712/http://www.uvnc.com/download/ | x_refsource_MISC | |
| http://secunia.com/advisories/41208 | third-party-advisory, x_refsource_SECUNIA |
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cve-2009-0388
Vulnerability from cvelistv5
Published
2009-02-04 19:00
Modified
2024-08-07 04:31
Severity ?
EPSS score ?
Summary
Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.
References
| ▼ | URL | Tags |
|---|---|---|
| http://forum.ultravnc.info/viewtopic.php?t=14654 | x_refsource_CONFIRM | |
| http://vnc-tight.svn.sourceforge.net/viewvc/vnc-tight?view=rev&revision=3564 | x_refsource_CONFIRM | |
| http://www.vupen.com/english/advisories/2009/0321 | vdb-entry, x_refsource_VUPEN | |
| http://www.securityfocus.com/bid/33568 | vdb-entry, x_refsource_BID | |
| http://www.securityfocus.com/archive/1/500632/100/0/threaded | mailing-list, x_refsource_BUGTRAQ | |
| https://www.exploit-db.com/exploits/8024 | exploit, x_refsource_EXPLOIT-DB | |
| http://www.coresecurity.com/content/vnc-integer-overflows | x_refsource_MISC | |
| http://www.vupen.com/english/advisories/2009/0322 | vdb-entry, x_refsource_VUPEN | |
| https://www.exploit-db.com/exploits/7990 | exploit, x_refsource_EXPLOIT-DB | |
| http://secunia.com/advisories/33807 | third-party-advisory, x_refsource_SECUNIA |
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cve-2019-8260
Vulnerability from cvelistv5
Published
2019-03-05 15:00
Modified
2024-09-16 20:22
Severity ?
EPSS score ?
Summary
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC client RRE decoder code, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.
References
| ▼ | URL | Tags |
|---|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-006-ultravnc-out-of-bound-read/ | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | x_refsource_CONFIRM | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf | x_refsource_CONFIRM | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | x_refsource_CONFIRM | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 | x_refsource_MISC |
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cve-2019-8259
Vulnerability from cvelistv5
Published
2019-03-05 15:00
Modified
2024-09-16 20:59
Severity ?
EPSS score ?
Summary
UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1199.
References
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|---|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-005-ultravnc-memory-leak/ | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | x_refsource_CONFIRM | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf | x_refsource_CONFIRM | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | x_refsource_CONFIRM | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 | x_refsource_MISC |
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cve-2019-8261
Vulnerability from cvelistv5
Published
2019-03-05 15:00
Modified
2024-09-17 03:12
Severity ?
EPSS score ?
Summary
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.
References
| ▼ | URL | Tags |
|---|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-007-ultravnc-out-of-bound-read/ | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | x_refsource_CONFIRM | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf | x_refsource_CONFIRM | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | x_refsource_CONFIRM | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 | x_refsource_MISC |
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cve-2006-2206
Vulnerability from cvelistv5
Published
2006-05-05 10:00
Modified
2024-08-07 17:43
Severity ?
EPSS score ?
Summary
The MS-Logon authentication scheme in UltraVNC (aka Ultr@VNC) 1.0.1 uses weak encryption (XOR) for challenge/response, which allows remote attackers to gain privileges by sniffing and decrypting passwords.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/17824 | vdb-entry, x_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/26283 | vdb-entry, x_refsource_XF | |
| http://archives.neohapsis.com/archives/bugtraq/2006-05/0057.html | mailing-list, x_refsource_BUGTRAQ |
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cve-2018-15361
Vulnerability from cvelistv5
Published
2019-03-05 15:00
Modified
2024-09-16 17:07
Severity ?
EPSS score ?
Summary
UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.
References
| ▼ | URL | Tags |
|---|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-003-ultravnc-buffer-underwrite/ | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | x_refsource_CONFIRM | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | x_refsource_MISC |
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cve-2019-8258
Vulnerability from cvelistv5
Published
2019-03-05 15:00
Modified
2024-09-16 19:15
Severity ?
EPSS score ?
Summary
UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.
References
| ▼ | URL | Tags |
|---|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/ | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | x_refsource_CONFIRM | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | x_refsource_MISC |
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cve-2008-0610
Vulnerability from cvelistv5
Published
2008-02-06 11:00
Modified
2024-08-07 07:54
Severity ?
EPSS score ?
Summary
Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.
References
| ▼ | URL | Tags |
|---|---|---|
| http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/27561 | vdb-entry, x_refsource_BID | |
| http://www.kb.cert.org/vuls/id/721460 | third-party-advisory, x_refsource_CERT-VN | |
| http://secunia.com/advisories/28747 | third-party-advisory, x_refsource_SECUNIA | |
| http://forum.ultravnc.info/viewtopic.php?t=11850 | x_refsource_CONFIRM | |
| http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/ClientConnection.cpp?sortby=date&r1=169&r2=168&pathrev=169 | x_refsource_CONFIRM | |
| http://www.exploit-db.com/exploits/18666 | exploit, x_refsource_EXPLOIT-DB | |
| http://www.securitytracker.com/id?1019293 | vdb-entry, x_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2008/0392 | vdb-entry, x_refsource_VUPEN |
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cve-2019-8262
Vulnerability from cvelistv5
Published
2019-03-05 15:00
Modified
2024-09-16 16:49
Severity ?
EPSS score ?
Summary
UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204.
References
| ▼ | URL | Tags |
|---|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-008-ultravnc-heap-based-buffer-overflow/ | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | x_refsource_CONFIRM | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | x_refsource_MISC | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf | x_refsource_CONFIRM | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | x_refsource_CONFIRM | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 | x_refsource_MISC |
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cve-2008-5001
Vulnerability from cvelistv5
Published
2008-11-10 11:00
Modified
2024-08-07 10:40
Severity ?
EPSS score ?
Summary
Multiple stack-based buffer overflows in multiple functions in vncviewer/FileTransfer.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified parameters, a different issue than CVE-2008-0610.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/27687 | vdb-entry, x_refsource_BID | |
| http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887 | x_refsource_CONFIRM | |
| http://www.vupen.com/english/advisories/2008/0486 | vdb-entry, x_refsource_VUPEN | |
| http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/FileTransfer.cpp?view=log#rev183 | x_refsource_CONFIRM | |
| http://forum.ultravnc.info/viewtopic.php?p=45150#45150 | x_refsource_CONFIRM | |
| http://secunia.com/advisories/28804 | third-party-advisory, x_refsource_SECUNIA |
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Vulnerability from fkie_nvd
Published
2006-05-05 12:46
Modified
2024-11-21 00:10
Severity ?
Summary
The MS-Logon authentication scheme in UltraVNC (aka Ultr@VNC) 1.0.1 uses weak encryption (XOR) for challenge/response, which allows remote attackers to gain privileges by sniffing and decrypting passwords.
References
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}
],
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"lastModified": "2024-11-21T00:10:47.580",
"metrics": {
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"baseScore": 10.0,
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"references": [
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"url": "http://archives.neohapsis.com/archives/bugtraq/2006-05/0057.html"
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"tags": [
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},
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Vulnerability from fkie_nvd
Published
2008-02-06 12:00
Modified
2024-11-21 00:42
Severity ?
Summary
Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.
References
Impacted products
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"value": "Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer basado en pila en la funci\u00f3n ClientConnection::NegotiateProtocolVersion en vncviewer/ClientConnection.cpp de vncviewer para UltraVNC 1.0.2 y 1.0.4 antes de 01252008. Cuando se est\u00e1 en modo ESCUCHA (LISTENING) o cuando se utiliza el plugin DSM, permite a atacantes remotos ejecutar c\u00f3digo de su elecci\u00f3n o provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de un valor de tama\u00f1o modificado."
}
],
"id": "CVE-2008-0610",
"lastModified": "2024-11-21T00:42:30.150",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
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"accessVector": "NETWORK",
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"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
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"integrityImpact": "COMPLETE",
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"references": [
{
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"url": "http://forum.ultravnc.info/viewtopic.php?t=11850"
},
{
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"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/28747"
},
{
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"url": "http://sourceforge.net/project/shownotes.php?release_id=571174\u0026group_id=63887"
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},
{
"source": "cve@mitre.org",
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},
{
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},
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"tags": [
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],
"url": "http://www.securityfocus.com/bid/27561"
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{
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"url": "http://www.securitytracker.com/id?1019293"
},
{
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},
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},
{
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"url": "http://www.exploit-db.com/exploits/18666"
},
{
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"tags": [
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"url": "http://www.securitytracker.com/id?1019293"
},
{
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"url": "http://www.vupen.com/english/advisories/2008/0392"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-119"
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],
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"type": "Primary"
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]
}
Vulnerability from fkie_nvd
Published
2012-09-07 10:32
Modified
2024-11-21 01:22
Severity ?
Summary
Untrusted search path vulnerability in UltraVNC 1.0.8.2 allows local users to gain privileges via a Trojan horse vnclang.dll file in the current working directory, as demonstrated by a directory that contains a .vnc file. NOTE: some of these details are obtained from third party information.
References
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},
{
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"value": "Vulnerabilidad de path de b\u00fasqueda no confiable en UltraVNC v1.0.8.2, permite a usuario locales obtener privilegios a trav\u00e9s de un fichero vnclang.dll troyanizado en el directorio de trabajo actual, como se demostr\u00f3 mediante un directorio que conten\u00eda un fichero .vnc. NOTA: La procedencia de esta informaci\u00f3n es desconocida. Algunos de estos detalles se han obtenido de terceros."
}
],
"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/426.html \u0027CWE-426 Untrusted Search Path\u0027",
"id": "CVE-2010-5248",
"lastModified": "2024-11-21T01:22:51.360",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
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"accessVector": "LOCAL",
"authentication": "NONE",
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"baseScore": 6.9,
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"type": "Primary",
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}
]
},
"published": "2012-09-07T10:32:22.337",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/41208"
},
{
"source": "cve@mitre.org",
"url": "http://web.archive.org/web/20100924002712/http://www.uvnc.com/download/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "http://secunia.com/advisories/41208"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://web.archive.org/web/20100924002712/http://www.uvnc.com/download/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2009-02-04 19:30
Modified
2024-11-21 00:59
Severity ?
Summary
Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.
References
Impacted products
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"id": "CVE-2009-0388",
"lastModified": "2024-11-21T00:59:47.453",
"metrics": {
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"url": "http://forum.ultravnc.info/viewtopic.php?t=14654"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/33807"
},
{
"source": "cve@mitre.org",
"url": "http://vnc-tight.svn.sourceforge.net/viewvc/vnc-tight?view=rev\u0026revision=3564"
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"tags": [
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"url": "http://www.coresecurity.com/content/vnc-integer-overflows"
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{
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"url": "http://www.securityfocus.com/archive/1/500632/100/0/threaded"
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"url": "http://www.vupen.com/english/advisories/2009/0321"
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"url": "http://www.vupen.com/english/advisories/2009/0322"
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"url": "https://www.exploit-db.com/exploits/7990"
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{
"source": "cve@mitre.org",
"url": "https://www.exploit-db.com/exploits/8024"
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"url": "http://forum.ultravnc.info/viewtopic.php?t=14654"
},
{
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"url": "http://secunia.com/advisories/33807"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://vnc-tight.svn.sourceforge.net/viewvc/vnc-tight?view=rev\u0026revision=3564"
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"url": "http://www.securityfocus.com/archive/1/500632/100/0/threaded"
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"tags": [
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"url": "http://www.vupen.com/english/advisories/2009/0322"
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.exploit-db.com/exploits/7990"
},
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"url": "https://www.exploit-db.com/exploits/8024"
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"value": "CWE-189"
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],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2008-11-10 14:12
Modified
2024-11-21 00:53
Severity ?
Summary
Multiple stack-based buffer overflows in multiple functions in vncviewer/FileTransfer.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified parameters, a different issue than CVE-2008-0610.
References
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"lastModified": "2024-11-21T00:53:02.570",
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"url": "http://sourceforge.net/project/shownotes.php?release_id=571174\u0026group_id=63887"
},
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