CVE-2012-2663

Published Feb 15, 2014

Last updated a year ago

Overview

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.
Source: secalert@redhat.com
NVD status: Modified

Risk scores

CVSS 2.0

Type: Primary
Base score: 7.5
Impact score: 6.4
Exploitability score: 10
Vector string: AV:N/AC:L/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:netfilter:iptables:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "E9907795-8B61-4CFF-A547-90F9C958A178",
            "versionEndIncluding": "1.4.21"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References