CVE-2012-2663
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductNetfilter Iptables
PublishedFeb 15, 2014
First seenFeb 15, 2014
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| netfilter iptables | v ≤ 1.4.21 | — |
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