GLSA-201402-19 : libtar: Arbitraty code execution

This script is Copyright (C) 2014-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-201402-19
(libtar: Arbitraty code execution)

An integer overflow error within the &ldquo
function when
processing long names or link extensions can be exploited to cause a
heap-based buffer overflow via a specially crafted archive.

Impact :

A remote attacker could entice a user to open a specially crafted file
using a program linked against libtar, possibly resulting in execution of
arbitrary code with the privileges of the process or a Denial of Service

Workaround :

There is no known workaround at this time.

See also :

Solution :

All libtar users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-libs/libtar-1.2.20-r2'

Risk factor :

Medium / CVSS Base Score : 6.8
CVSS Temporal Score : 5.9
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 72633 ()

Bugtraq ID: 62922

CVE ID: CVE-2013-4397

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