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. NO...
HighCVSS 7.5
EPSS 2.7%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/iptables(Debian:12) | All versions | No fix listed |
| debian/iptables(Debian:12) | = 1.8.10-1 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.10-2 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.10-3 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.10-4 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.11-1 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.11-2 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.11-3 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.11-4 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.12-1 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.12-2 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.13-1 | No fix listed |
| debian/iptables(Debian:12) | = 1.8.9-2 | No fix listed |
| debian/iptables(Debian:13) | All versions | No fix listed |
| debian/iptables(Debian:13) | = 1.8.11-2 | No fix listed |
| debian/iptables(Debian:13) | = 1.8.11-3 | No fix listed |
| debian/iptables(Debian:13) | = 1.8.11-4 | No fix listed |
| debian/iptables(Debian:13) | = 1.8.12-1 | No fix listed |
| debian/iptables(Debian:13) | = 1.8.12-2 | No fix listed |
| debian/iptables(Debian:13) | = 1.8.13-1 | No fix listed |
| debian/iptables(Debian:14) | All versions | No fix listed |
| debian/iptables(Debian:14) | = 1.8.11-2 | No fix listed |
| debian/iptables(Debian:14) | = 1.8.11-3 | No fix listed |
| debian/iptables(Debian:14) | = 1.8.11-4 | No fix listed |
| debian/iptables(Debian:14) | = 1.8.12-1 | No fix listed |
Show 3 more
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/iptables(Debian:14) | = 1.8.12-2 | No fix listed |
| debian/iptables(Debian:14) | = 1.8.13-1 | No fix listed |
| netfilter iptables | <= 1.4.21 | No fix listed |
References
- Debian Security Tracker CVE-2012-2663 vendor-advisory
- [netfilter-devel] 20120330 Re: `iptables -m tcp --syn` doesn't do what the man says mailing-list patch third-party-advisory
- bugzilla.redhat.com issue-tracking mitigation patch third-party-advisory
- bugs.debian.org issue-tracking