SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-46344

A vulnerability was found in X.Org.

HIGH 8.8EPSS 2.69%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in out-of-bounds memory reads and potential information disclosure. 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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.69% probability · 85th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
x.org/x server · fedoraproject/fedora · debian/debian linux
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.