GLSA-200709-09 : GNU Tar: Directory traversal vulnerability

This script is Copyright (C) 2007-2015 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-200709-09
(GNU Tar: Directory traversal vulnerability)

Dmitry V. Levin discovered a directory traversal vulnerability in the
contains_dot_dot() function in file src/names.c.

Impact :

By enticing a user to extract a specially crafted tar archive, a remote
attacker could extract files to arbitrary locations outside of the
specified directory with the permissions of the user running GNU Tar.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All GNU Tar users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-arch/tar-1.18-r2'

Risk factor :

Medium / CVSS Base Score : 6.8

Family: Gentoo Local Security Checks

Nessus Plugin ID: 26099 (gentoo_GLSA-200709-09.nasl)

Bugtraq ID:

CVE ID: CVE-2007-4131

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