Vulnerability · Published Sep 15, 2020 · Assigned by redhat
CVE-2020-14345
High 7.8
In plain English
A high-severity memory corruption in xorg-x11-server. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.6%top 51.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | libglvnd | 1:1.3.2-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | libglvnd-core-devel | 1:1.3.2-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | libglvnd-devel | 1:1.3.2-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | libglvnd-egl | 1:1.3.2-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | libglvnd-gles | 1:1.3.2-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | libglvnd-glx | 1:1.3.2-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | libglvnd-opengl | 1:1.3.2-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | libinput-devel | 1.16.3-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | libwacom-devel | 1.6-2.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | mesa-libOSMesa-devel | 20.3.3-2.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | mesa-libgbm-devel | 20.3.3-2.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | xorg-x11-drivers | 7.7-30.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | xorg-x11-server-devel | 1.20.10-1.el8 | ALSA-2021:1804 |
| AlmaLinux:8 | xorg-x11-server-source | 1.20.10-1.el8 | ALSA-2021:1804 |
| Alpine:v3.20 | xorg-server | 1.20.9-r0 | ALPINE-CVE-2020-14345 |
| Alpine:v3.21 | xorg-server | 1.20.9-r0 | ALPINE-CVE-2020-14345 |
| Alpine:v3.22 | xorg-server | 1.20.9-r0 | ALPINE-CVE-2020-14345 |
| Alpine:v3.23 | xorg-server | 1.20.9-r0 | ALPINE-CVE-2020-14345 |
| Alpine:v3.24 | xorg-server | 1.20.9-r0 | ALPINE-CVE-2020-14345 |
| Debian:12 | xorg-server | 2:1.20.9-1 | DEBIAN-CVE-2020-14345 |
| Debian:13 | xorg-server | 2:1.20.9-1 | DEBIAN-CVE-2020-14345 |
| Debian:14 | xorg-server | 2:1.20.9-1 | DEBIAN-CVE-2020-14345 |
| Rocky Linux:8 | egl-wayland | 0:1.1.5-3.el8 | RLSA-2021:1804 |
| Rocky Linux:8 | libX11 | 0:1.6.8-4.el8 | RLSA-2021:1804 |
| Rocky Linux:8 | libdrm | 0:2.4.103-1.el8 | RLSA-2021:1804 |
| Rocky Linux:8 | libglvnd | 1:1.3.2-1.el8 | RLSA-2021:1804 |
| Rocky Linux:8 | libinput | 0:1.16.3-1.el8 | RLSA-2021:1804 |
| Rocky Linux:8 | libwacom | 0:1.6-2.el8 | RLSA-2021:1804 |
| Rocky Linux:8 | mesa | 0:20.3.3-2.el8 | RLSA-2021:1804 |
| Rocky Linux:8 | xorg-x11-drivers | 0:7.7-30.el8 | RLSA-2021:1804 |
| Rocky Linux:8 | xorg-x11-server | 0:1.20.10-1.el8 | RLSA-2021:1804 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | xorg-x11-server | before xorg-x11-server 1.20.9 |
Weakness: CWE-119
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1862241 x_refsource_MISC
- https://lists.x.org/archives/xorg-announce/2020-August/003058.html x_refsource_MISC
- USN-4490-1 vendor-advisory, x_refsource_UBUNTU
- USN-4488-2 vendor-advisory, x_refsource_UBUNTU
- GLSA-202012-01 vendor-advisory, x_refsource_GENTOO
- https://www.zerodayinitiative.com/advisories/ZDI-20-1416/ x_refsource_MISC
- [oss-security] 20210115 Re: [vs] Cinnamon lock screen bypass in multiple distributions mailing-list, x_refsource_MLIST