GLSA-200804-06 : UnZip: User-assisted execution of arbitrary code

This script is Copyright (C) 2008-2015 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-200804-06
(UnZip: User-assisted execution of arbitrary code)

Tavis Ormandy of the Google Security Team discovered that the NEEDBITS
macro in the inflate_dynamic() function in the file inflate.c can be
invoked using invalid buffers, which can lead to a double free.

Impact :

Remote attackers could entice a user or automated system to open a
specially crafted ZIP file that might lead to the execution of
arbitrary code or a Denial of Service.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All UnZip users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-arch/unzip-5.52-r2'

Risk factor :

High / CVSS Base Score : 9.3

Family: Gentoo Local Security Checks

Nessus Plugin ID: 31837 (gentoo_GLSA-200804-06.nasl)

Bugtraq ID:

CVE ID: CVE-2008-0888

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