CVE-2020-14361

CWE-191CWE-190 — Integer Overflow12 documents8 sources
Severity
7.8HIGH
EPSS
0.2%
top 53.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
X.org X ServerCanonical Ubuntu LinuxRedhat Enterprise Linux
Timeline
PublishedSep 15
Latest updateMay 24

Description

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶Debianxorg-server< 2:1.20.9-1+3
▶CVEListV5xorg-x11-serverbefore xorg-x11-server 1.20.9
▶NVDx.org/x_server< 1.20.9

Also affects: Ubuntu Linux 14.04, Enterprise Linux 6.0, 7.0, 8.0

Patches

Patch: lists.x.org ↗Patch: lists.x.org ↗

🔴Vulnerability Details

5
GHSA
GHSA-4ghg-p426-jc5w: A flaw was found in X↗2022-05-24
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CVEList
CVE-2020-14361: A flaw was found in X↗2020-09-15
▶
OSV
CVE-2020-14361: A flaw was found in X↗2020-09-15
▶
OSV
xorg-server vulnerabilities↗2020-09-09
▶
OSV
xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04 vulnerabilities↗2020-09-02
▶

📋Vendor Advisories

4
Ubuntu
X.Org X Server vulnerabilities↗2020-09-09
▶
Ubuntu
X.Org X Server vulnerabilities↗2020-09-02
▶
Red Hat
xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability↗2020-08-25
▶
Debian
CVE-2020-14361: xorg-server - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer under...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-14361 xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability [fedora-all]↗2020-08-25
▶
Bugzilla
CVE-2020-14361 xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability↗2020-08-17
▶