CVE-2012-2663
First published: Wed May 30 2012(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE iptables | <=1.4.21 |
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Reference Links
- http://git.kernel.org/?p=linux/kernel/git/davem/net-next.git;a=commitdiff;h=fdf5af0daf8019cec2396cdef8fb042d80fe71fa
- http://www.spinics.net/lists/netfilter-devel/msg21248.html
- https://access.redhat.com/security/cve/CVE-2002-2438
- http://cert.uni-stuttgart.de/ticker/article.php?mid=1006
- https://access.redhat.com/security/cve/CVE-2012-6638
- https://bugzilla.redhat.com/show_bug.cgi?id=826702
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- canonical/suse iptables
- version/suse iptables/1.4.21