Vulnerability Assessment & Network Security Forums



If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200611-01] Screen: UTF-8 character handling vulnerability


Vulnerability Assessment Details

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

Vulnerability Assessment Summary
Screen: UTF-8 character handling vulnerability

Detailed Explanation for this Vulnerability Assessment
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 rights 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.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4573


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


Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

Cables, Connectors

Lenovo ThinkPad Laptop Computer Windows 10 Core 2 Duo 4GB Ram 160GB HD DVD WiFi
$0.01
Lenovo ThinkPad Laptop Computer Windows 10 Core 2 Duo 4GB Ram 160GB HD DVD WiFi pictureCorsair Dominator XMS3-1600 2GB PC3-12800 DDR3 1600MHz DIMM Desktop Memory
$23.0
Corsair Dominator XMS3-1600 2GB PC3-12800 DDR3 1600MHz DIMM Desktop Memory pictureApple Macbook 13 A1181 2.10GHz 1GB RAM 120GB HDD White OSX 10.6 MB402LL/A Z00146
$57.0
Apple Macbook 13 A1181 2.10GHz 1GB RAM 120GB HDD White OSX 10.6 MB402LL/A Z00146 pictureDell Inspiron 1525 15.4" Laptop Pentium Dual Core @ 2GHz 3GB RAM 250GB HD
$110.0
Dell Inspiron 1525 15.4


Discussions

No Discussions have been posted on this vulnerability.