GLSA-200611-01 : Screen: UTF-8 character handling vulnerability

This script is Copyright (C) 2006-2015 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-200611-01
(Screen: UTF-8 character handling vulnerability)

cstone and Richard Felker discovered a flaw in Screen's UTF-8 combining
character handling.

Impact :

The vulnerability can be exploited by writing a special string of
characters to a Screen window. A remote attacker could cause a Denial
of Service or possibly execute arbitrary code with the privileges of
the user running Screen through a program being run inside a Screen
session, such as an IRC client or a mail client.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All Screen users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-misc/screen-4.0.3'

Risk factor :

Low / CVSS Base Score : 2.6

Family: Gentoo Local Security Checks

Nessus Plugin ID: 22939 (gentoo_GLSA-200611-01.nasl)

Bugtraq ID:

CVE ID: CVE-2006-4573

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