Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2024-31081

Buffer Over-read

Published: Apr 04, 2024 | Modified: Aug 04, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
7.3 IMPORTANT
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2024-31081
CWEhttps://cwe.mitre.org/data/definitions/126.html

A heap-based buffer over-read vulnerability was found in the X.org servers ProcXIPassiveGrabDevice() 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, resulting in a crash. Despite the attackers inability to control the specific memory copied into the replies, the small length values typically stored in a 32-bit integer can result in significant attempted out-of-bounds reads.

Weakness

The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

Affected Software

NameVendorStart VersionEnd Version
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSIONRedHattigervnc-0:1.1.0-25.el6_10.13*
Red Hat Enterprise Linux 7RedHatxorg-x11-server-0:1.20.4-29.el7_9*
Red Hat Enterprise Linux 7RedHattigervnc-0:1.8.0-33.el7_9*
Red Hat Enterprise Linux 8RedHattigervnc-0:1.13.1-2.el8_9.10*
Red Hat Enterprise Linux 8RedHatxorg-x11-server-0:1.20.11-23.el8_10*
Red Hat Enterprise Linux 8RedHattigervnc-0:1.13.1-10.el8_10*
Red Hat Enterprise Linux 8RedHatxorg-x11-server-Xwayland-0:21.1.3-16.el8_10*
Red Hat Enterprise Linux 8.2 Advanced Update SupportRedHattigervnc-0:1.9.0-15.el8_2.11*
Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRedHattigervnc-0:1.9.0-15.el8_2.11*
Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRedHattigervnc-0:1.9.0-15.el8_2.11*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHattigervnc-0:1.11.0-8.el8_4.10*
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRedHattigervnc-0:1.11.0-8.el8_4.10*
Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRedHattigervnc-0:1.11.0-8.el8_4.10*
Red Hat Enterprise Linux 8.6 Extended Update SupportRedHattigervnc-0:1.12.0-6.el8_6.11*
Red Hat Enterprise Linux 8.8 Extended Update SupportRedHattigervnc-0:1.12.0-15.el8_8.10*
Red Hat Enterprise Linux 9RedHattigervnc-0:1.13.1-8.el9_4.3*
Red Hat Enterprise Linux 9RedHatxorg-x11-server-Xwayland-0:23.2.7-1.el9*
Red Hat Enterprise Linux 9RedHatxorg-x11-server-0:1.20.11-26.el9*
Red Hat Enterprise Linux 9.0 Extended Update SupportRedHattigervnc-0:1.11.0-22.el9_0.11*
Red Hat Enterprise Linux 9.2 Extended Update SupportRedHattigervnc-0:1.12.0-14.el9_2.8*
Xorg-serverUbuntudevel*
Xorg-serverUbuntuesm-infra-legacy/trusty*
Xorg-serverUbuntuesm-infra/bionic*
Xorg-serverUbuntuesm-infra/focal*
Xorg-serverUbuntuesm-infra/xenial*
Xorg-serverUbuntufocal*
Xorg-serverUbuntujammy*
Xorg-serverUbuntumantic*
Xorg-serverUbuntunoble*
Xorg-serverUbuntuoracular*
Xorg-serverUbuntuplucky*
Xorg-serverUbuntuquesting*
Xorg-serverUbuntutrusty/esm*
XwaylandUbuntujammy*
XwaylandUbuntumantic*

References

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