CVE-2022-46340
A vulnerability was found in X.Org.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger than 32 bytes are sent through a the XTestFakeInput request. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions. This issue does not affect systems where client and server use the same byte order.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- n/a xorg-x11-server
xorg-x11-server-1.20.4
References 8
access.redhat.com
bugzilla.redhat.com
lists.fedoraproject.org
- archives/list/package-announce@lists.fedoraproject.org/message/DXDF2O5PPLE3SVAJJYUOSAD5QZ4TWQ2G
- archives/list/package-announce@lists.fedoraproject.org/message/5NELB7YDWRABYYBG4UPTHRBDTKJRV5M2
- archives/list/package-announce@lists.fedoraproject.org/message/RWTH3SNJ3GKYDSN7I3QDGWYEPSMWU6EP
- archives/list/package-announce@lists.fedoraproject.org/message/Z67QC4C3I2FI2WRFIUPEHKC36J362MLA