CVE-2012-2663

N/A Unknown

Published: February 15, 2014 Modified: April 29, 2026

Description

extensions/libxt_tcp.c in iptables through 1.4.21 does not match TCP SYN+FIN packets in --syn rules, which might allow remote attackers to bypass intended firewall restrictions via crafted packets. NOTE: the CVE-2012-6638 fix makes this issue less relevant.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.spinics.net/lists/netfilter-devel/msg21248.html

Source: secalert@redhat.com

Patch Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=826702

Source: secalert@redhat.com

Issue Tracking Mitigation Patch Third Party Advisory

http://www.spinics.net/lists/netfilter-devel/msg21248.html

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=826702

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Mitigation Patch Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

N/A / 10.0

EPSS (Exploit Probability)

0.4%

58th percentile

Exploitation Status

Not in CISA KEV

Affected Vendors

netfilter