CVE-2024-31082Buffer Over-read in Xorg-server

CWE-126Buffer Over-read11 documents8 sources
Severity
7.3HIGHNVD
EPSS
0.0%
top 90.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 4
Latest updateApr 9

Description

A heap-based buffer over-read vulnerability was found in the X.org server's ProcAppleDRICreatePixmap() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a different endianness. This vulnerability could be exploited by an attacker to cause the X server to read heap memory values and then transmit them back to the client until encountering an unmapped page, res

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:HExploitability: 1.8 | Impact: 5.5

Affected Packages3 packages

Debianx.org/xorg-server< 2:1.20.11-1+deb11u13+3
Ubuntux.org/xorg-server< 2:1.20.13-1ubuntu1~20.04.17+9
Ubuntux.org/xwayland< 2:22.1.1-1ubuntu0.13+1

🔴Vulnerability Details

5
OSV
xorg-server, xwayland regression2024-04-09
OSV
CVE-2024-31082: A heap-based buffer over-read vulnerability was found in the X2024-04-04
GHSA
GHSA-cm2m-f7gc-hv64: A heap-based buffer over-read vulnerability was found in the X2024-04-04
CVEList
Xorg-x11-server: heap buffer overread/data leakage in procappledricreatepixmap2024-04-04
OSV
xorg-server, xwayland vulnerabilities2024-04-04

📋Vendor Advisories

5
Ubuntu
X.Org X Server regression2024-04-09
Microsoft
Xorg-x11-server: heap buffer overread/data leakage in procappledricreatepixmap2024-04-09
Ubuntu
X.Org X Server vulnerabilities2024-04-04
Red Hat
xorg-x11-server: Heap buffer overread/data leakage in ProcAppleDRICreatePixmap2024-04-03
Debian
CVE-2024-31082: xorg-server - A heap-based buffer over-read vulnerability was found in the X.org server's Proc...2024
CVE-2024-31082 — Buffer Over-read in X.org Xorg-server | cvebase