CVE-2012-2663
high
CVSS v3
—
CVSS v2
7.5
VIR risk
7.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-2663
Vendor advisory: secalert@redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=826702
Vendor advisory: secalert@redhat.com — http://www.spinics.net/lists/netfilter-devel/msg21248.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| netfilter | iptables | {"endIncluding":"1.4.21"} | |
References
Verify integrity in audit chain (admin only). AS-IS.