Strix
26.1K

CVE-2023-5367

HIGHCVSS 7.8/10EPSS 0.62%

Last modified

CVE-2023-5367 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.62%

45.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
X.OrgX Server< 21.1.9
X.OrgXwayland< 23.2.2
RedhatEnterprise Linux7.0
RedhatEnterprise Linux8.0
RedhatEnterprise Linux9.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux For Ibm Z Systems7.0_s390x
RedhatEnterprise Linux For Power Big Endian7.0_ppc64
RedhatEnterprise Linux For Power Little Endian7.0_ppc64le
RedhatEnterprise Linux For Scientific Computing7.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Workstation7.0
FedoraprojectFedora37
FedoraprojectFedora38
FedoraprojectFedora39
DebianDebian Linux11.0
DebianDebian Linux12.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-5367?
A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.
How severe is CVE-2023-5367?
CVE-2023-5367 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2023-5367?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5367?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST