GLSA-200507-05 : zlib: Buffer overflow

This script is Copyright (C) 2005-2015 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-200507-05
(zlib: Buffer overflow)

Tavis Ormandy of the Gentoo Linux Security Audit Team discovered a
buffer overflow in zlib. A bounds checking operation failed to take
invalid data into account, allowing a specifically malformed deflate
data stream to overrun a buffer.

Impact :

An attacker could construct a malformed data stream, embedding it
within network communication or an application file format, potentially
resulting in the execution of arbitrary code when decoded by the
application using the zlib library.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All zlib users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=sys-libs/zlib-1.2.2-r1'

Risk factor :

High / CVSS Base Score : 7.5

Family: Gentoo Local Security Checks

Nessus Plugin ID: 18634 (gentoo_GLSA-200507-05.nasl)

Bugtraq ID:

CVE ID: CVE-2005-2096

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