SUSE-SU-2020:1922-1
Vulnerability from csaf_suse - Published: 2020-07-15 09:31 - Updated: 2020-07-15 09:31Summary
Security update for LibVNCServer
Severity
Important
Notes
Title of the patch: Security update for LibVNCServer
Description of the patch: This update for LibVNCServer fixes the following issues:
- security update
- added patches
fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak
+ LibVNCServer-CVE-2018-21247.patch
fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock()
+ LibVNCServer-CVE-2019-20839.patch
fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service
+ LibVNCServer-CVE-2019-20840.patch
fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c
+ LibVNCServer-CVE-2020-14398.patch
fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c
+ LibVNCServer-CVE-2020-14397.patch
fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c.
+ LibVNCServer-CVE-2020-14399.patch
fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.
+ LibVNCServer-CVE-2020-14400.patch
fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c
+ LibVNCServer-CVE-2020-14401.patch
fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings.
+ LibVNCServer-CVE-2020-14402,14403,14404.patch
fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite
Patchnames: SUSE-2020-1922,SUSE-SLE-Module-Packagehub-Subpackages-15-SP1-2020-1922,SUSE-SLE-Module-Packagehub-Subpackages-15-SP2-2020-1922,SUSE-SLE-Product-WE-15-SP1-2020-1922,SUSE-SLE-Product-WE-15-SP2-2020-1922
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
8.1 (High)
Affected products
Recommended
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP1:libvncserver0-0.9.10-4.22.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP1:libvncserver0-0.9.10-4.22.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP1:libvncserver0-0.9.10-4.22.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP1:libvncserver0-0.9.10-4.22.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP2:libvncserver0-0.9.10-4.22.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP2:libvncserver0-0.9.10-4.22.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP2:libvncserver0-0.9.10-4.22.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP2:libvncserver0-0.9.10-4.22.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Workstation Extension 15 SP1:libvncclient0-0.9.10-4.22.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Workstation Extension 15 SP2:libvncclient0-0.9.10-4.22.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Workstation Extension 15 SP2:libvncserver0-0.9.10-4.22.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.5 (High)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
important
7.5 (High)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
important
7.5 (High)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
important
6.5 (Medium)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
moderate
6.5 (Medium)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
moderate
4.3 (Medium)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
moderate
4.3 (Medium)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
moderate
6.5 (Medium)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
moderate
6.3 (Medium)
Affected products
Recommended
11 products, the same list as for
CVE-2017-18922
Threats
Impact
moderate
References
53 references
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"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-July/007136.html"
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"url": "https://bugzilla.suse.com/1173700"
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{
"category": "self",
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"url": "https://bugzilla.suse.com/1173701"
},
{
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"summary": "SUSE Bug 1173743",
"url": "https://bugzilla.suse.com/1173743"
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"category": "self",
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"url": "https://bugzilla.suse.com/1173874"
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{
"category": "self",
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"url": "https://bugzilla.suse.com/1173875"
},
{
"category": "self",
"summary": "SUSE Bug 1173876",
"url": "https://bugzilla.suse.com/1173876"
},
{
"category": "self",
"summary": "SUSE Bug 1173880",
"url": "https://bugzilla.suse.com/1173880"
},
{
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"url": "https://www.suse.com/security/cve/CVE-2017-18922/"
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"url": "https://www.suse.com/security/cve/CVE-2018-21247/"
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]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"version": "3.1"
},
"products": [
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"SUSE Linux Enterprise Module for Package Hub 15 SP1:libvncserver0-0.9.10-4.22.1.ppc64le",
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]
}
],
"threats": [
{
"category": "impact",
"date": "2020-07-15T09:31:09Z",
"details": "moderate"
}
],
"title": "CVE-2020-14401"
},
{
"cve": "CVE-2020-14402",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-14402"
}
],
"notes": [
{
"category": "general",
"text": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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]
},
"references": [
{
"category": "external",
"summary": "CVE-2020-14402",
"url": "https://www.suse.com/security/cve/CVE-2020-14402"
},
{
"category": "external",
"summary": "SUSE Bug 1173477 for CVE-2020-14402",
"url": "https://bugzilla.suse.com/1173477"
},
{
"category": "external",
"summary": "SUSE Bug 1173701 for CVE-2020-14402",
"url": "https://bugzilla.suse.com/1173701"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
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]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"products": [
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"SUSE Linux Enterprise Module for Package Hub 15 SP1:libvncserver0-0.9.10-4.22.1.ppc64le",
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]
}
],
"threats": [
{
"category": "impact",
"date": "2020-07-15T09:31:09Z",
"details": "moderate"
}
],
"title": "CVE-2020-14402"
}
]
}
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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.
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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.
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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.
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