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Mend.io Vulnerability Database

CVE-2022-2663

Date: August 31, 2022

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.

Severity Score

5.3

Related Resources (13)

Url: https://access.redhat.com/security/cve/CVE-2022-2663

Url: https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663

Url: https://www.debian.org/security/2022/dsa-5257

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-2663

Url: https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/

Url: https://www.youtube.com/watch?v=WIq-YgQuYCA

Url: https://security-tracker.debian.org/tracker/CVE-2022-2663

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-2663

Url: https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl@dgl.cx/T/

Url: https://www.openwall.com/lists/oss-security/2022/08/30/1

Url: https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html

Url: https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html

Url: https://www.mend.io/vulnerability-database/CVE-2022-2663

Severity Score

5.3

Weakness Type (CWE)

Improper Restriction of Communication Channel to Intended Endpoints

CWE-923

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	LOW
Availability (A):	NONE

Mend.io Vulnerability Database

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CVE-2022-2663

Date: August 31, 2022

Severity Score

Related Resources (13)

Severity Score

Weakness Type (CWE)

CVSS v3.1

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