CVE Vulnerability

CVE-2022-2663

An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.openwall.com/lists/oss-security/2022/08/30/1 Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing List Third Party Advisory
https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663 Exploit Third Party Advisory
https://www.youtube.com/watch?v=WIq-YgQuYCA Exploit Third Party Advisory
https://www.debian.org/security/2022/dsa-5257 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List Third Party Advisory
https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Information

Published : 2022-09-01 09:15

Updated : 2023-02-12 10:15

NVD link : CVE-2022-2663

Mitre link : CVE-2022-2663

Products Affected
No products.
CWE
CWE-923