CVE-2012-2663

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.

Score

CVSS 2.0 7.5 High

Status

Modified - secalert@redhat.com

Published

2014-02-15

Last modified

2024-08-06

Affected products

• Iptables (Netfilter)

References

• http://www.spinics.net/lists/netfilter-devel/msg21248.html
• https://bugzilla.redhat.com/show_bug.cgi?id=826702