Improper Access Control Affecting iptables package, versions [,3.2-rc5)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
2.74% (86th percentile)

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  • Snyk IDSNYK-UNMANAGED-IPTABLES-2318979
  • published14 Dec 2021
  • disclosed15 Feb 2014
  • creditUnknown

Introduced: 15 Feb 2014

CVE-2012-2663  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade iptables to version 3.2-rc5 or higher.

Overview

Affected versions of this package are vulnerable to Improper Access Control 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.

CVSS Base Scores

version 3.1