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.

CVSS v3.0 5.3 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

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/

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

Information

Published : 2022-09-01 14:15

Updated : 2023-02-12 14:15

NVD link : CVE-2022-2663

Mitre link : CVE-2022-2663

JSON object : View

CWE

CWE-923

Improper Restriction of Communication Channel to Intended Endpoints

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Products Affected

debian

debian_linux

linux

linux_kernel

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