CVE-2019-15693 (GCVE-0-2019-15693)
Vulnerability from cvelistv5 – Published: 2019-12-26 14:57 – Updated: 2024-08-05 00:56
VLAI
EPSS
VEX
Summary
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
Severity
7.2 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/CendioOssman/tigervnc/commit/b… | x_refsource_MISC |
| https://github.com/TigerVNC/tigervnc/releases/tag… | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2019/… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T00:56:22.462Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"
},
{
"name": "[oss-security] 20191220 VNC vulnerabilities. TigerVNC security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://www.openwall.com/lists/oss-security/2019/12/20/2"
},
{
"name": "openSUSE-SU-2020:0087",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "TigerVNC",
"vendor": "Kaspersky",
"versions": [
{
"status": "affected",
"version": "1.10.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2020-01-21T21:06:11.000Z",
"orgId": "e45d732a-8f6b-4b6b-be76-7420f6a2b988",
"shortName": "Kaspersky"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"
},
{
"name": "[oss-security] 20191220 VNC vulnerabilities. TigerVNC security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://www.openwall.com/lists/oss-security/2019/12/20/2"
},
{
"name": "openSUSE-SU-2020:0087",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "vulnerability@kaspersky.com",
"ID": "CVE-2019-15693",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "TigerVNC",
"version": {
"version_data": [
{
"version_value": "1.10.0"
}
]
}
}
]
},
"vendor_name": "Kaspersky"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-122: Heap-based Buffer Overflow"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95",
"refsource": "MISC",
"url": "https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"
},
{
"name": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1",
"refsource": "MISC",
"url": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"
},
{
"name": "[oss-security] 20191220 VNC vulnerabilities. TigerVNC security update",
"refsource": "MLIST",
"url": "https://www.openwall.com/lists/oss-security/2019/12/20/2"
},
{
"name": "openSUSE-SU-2020:0087",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "e45d732a-8f6b-4b6b-be76-7420f6a2b988",
"assignerShortName": "Kaspersky",
"cveId": "CVE-2019-15693",
"datePublished": "2019-12-26T14:57:33.000Z",
"dateReserved": "2019-08-27T00:00:00.000Z",
"dateUpdated": "2024-08-05T00:56:22.462Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2019-15693",
"date": "2026-09-19",
"epss": "0.04277",
"percentile": "0.90649"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5DB31840-DC35-40A5-8126-FF5FDD81EAD7",
"versionEndExcluding": "1.10.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity."
},
{
"lang": "es",
"value": "TigerVNC versiones anteriores a 1.10.1, es vulnerable al desbordamiento de b\u00fafer de la pila, que se presenta en la funci\u00f3n TightDecoder::FilterGradient. La explotaci\u00f3n de esta vulnerabilidad podr\u00eda resultar potencialmente en una ejecuci\u00f3n de c\u00f3digo remota. Este ataque parece ser explotable a trav\u00e9s de la conectividad de red."
}
],
"id": "CVE-2019-15693",
"lastModified": "2024-11-21T04:29:16.367",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2019-12-26T15:15:11.257",
"references": [
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2019/12/20/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2019/12/20/2"
}
],
"sourceIdentifier": "vulnerability@kaspersky.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-122"
}
],
"source": "vulnerability@kaspersky.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5DB31840-DC35-40A5-8126-FF5FDD81EAD7",
"versionEndExcluding": "1.10.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity."
},
{
"lang": "es",
"value": "TigerVNC versiones anteriores a 1.10.1, es vulnerable al desbordamiento de b\u00fafer de la pila, que se presenta en la funci\u00f3n TightDecoder::FilterGradient. La explotaci\u00f3n de esta vulnerabilidad podr\u00eda resultar potencialmente en una ejecuci\u00f3n de c\u00f3digo remota. Este ataque parece ser explotable a trav\u00e9s de la conectividad de red."
}
],
"id": "CVE-2019-15693",
"lastModified": "2024-11-21T04:29:16.367",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2019-12-26T15:15:11.257",
"references": [
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2019/12/20/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2019/12/20/2"
}
],
"sourceIdentifier": "vulnerability@kaspersky.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-122"
}
],
"source": "vulnerability@kaspersky.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T17:02:09+00:00",
"cve": "CVE-2019-15693",
"id": "CVE-2019-15693",
"initial_release_date": "2019-12-20T00:00:00+00:00",
"product_status:fixed": "222",
"product_status:known_affected": "5",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "tigervnc: Heap buffer overflow in TightDecoder::FilterGradient",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-15693.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-08-31T02:35:10Z",
"cve": "CVE-2019-15693",
"id": "CVE-2019-15693",
"initial_release_date": "2023-02-15T04:08:37Z",
"product_status:known_affected": "452",
"product_status:recommended": "438",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2019-15693",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-15693.json",
"version": "37"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…