OPENSUSE-SU-2020:1302-1

Vulnerability from csaf_opensuse - Published: 2020-08-30 22:22 - Updated: 2026-09-20 19:12
Summary
Security update for xorg-x11-server
Severity
Important
Notes
Title of the patch: Security update for xorg-x11-server
Description of the patch: This update for xorg-x11-server fixes the following issues: - CVE-2020-14347: Leak of uninitialized heap memory from the X server to clients on pixmap allocation (bsc#1174633, ZDI-CAN-11426). - CVE-2020-14346: XIChangeHierarchy Integer Underflow Privilege Escalation Vulnerability (bsc#1174638, ZDI-CAN-11429). - CVE-2020-14345: XKB out-of-bounds access privilege escalation vulnerability (bsc#1174635, ZDI-CAN-11428). This update was imported from the SUSE:SLE-15-SP2:Update update project.
Patchnames: openSUSE-2020-1302
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2020-14345
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-0:1.20.3-lp152.8.3.1.i586 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-0:1.20.3-lp152.8.3.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-extra-0:1.20.3-lp152.8.3.1.i586 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-extra-0:1.20.3-lp152.8.3.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-sdk-0:1.20.3-lp152.8.3.1.i586 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-sdk-0:1.20.3-lp152.8.3.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-source-0:1.20.3-lp152.8.3.1.i586 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-source-0:1.20.3-lp152.8.3.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-wayland-0:1.20.3-lp152.8.3.1.i586 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:xorg-x11-server-wayland-0:1.20.3-lp152.8.3.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2020-14346
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 10 products, the same list as for CVE-2020-14345
Threats
Impact important
CVE-2020-14347
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Recommended 10 products, the same list as for CVE-2020-14345
Threats
Impact moderate
References
To clipboard 

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        {
          "category": "general",
          "text": "A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
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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.



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.