Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty
CVE-2023-6478

7.5HIGH

Key Information:

Vendor
Red Hat
Status
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.2 Advanced Update Support
Red Hat Enterprise Linux 8.2 Telecommunications Update Service
Vendor
CVE Published:
13 December 2023

Summary

A notable flaw has been identified in the xorg-server component, where a crafted request to either RRChangeProviderProperty or RRChangeOutputProperty can lead to an integer overflow. This vulnerability has the potential to cause unintended disclosure of sensitive information, posing a risk to systems utilizing affected versions of xorg-server.

Affected Version(s)

Red Hat Enterprise Linux 7 0:1.8.0-28.el7_9

Red Hat Enterprise Linux 7 0:1.20.4-25.el7_9

Red Hat Enterprise Linux 8 0:1.13.1-2.el8_9.4

References

http://www.openwall.com/lists/oss-security/2023/12/13/1
https://access.redhat.com/errata/RHSA-2023:7886
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0006
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by Peter Hutterer (Red Hat).
.