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Test ID:1.3.6.1.4.1.25623.1.0.68930
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-1065-1 (shadow)
Summary:Ubuntu USN-1065-1 (shadow)
Description:The remote host is missing an update to shadow
announced via advisory USN-1065-1.

Details follow:

Kees Cook discovered that some shadow utilities did not correctly validate
user input. A local attacker could exploit this flaw to inject newlines into
the /etc/passwd file. If the system was configured to use NIS, this could
lead to existing NIS groups or users gaining or losing access to the system,
resulting in a denial of service or unauthorized access.

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 9.10:
passwd 1:4.1.4.1-1ubuntu2.2

Ubuntu 10.04 LTS:
passwd 1:4.1.4.2-1ubuntu2.2

Ubuntu 10.10:
passwd 1:4.1.4.2-1ubuntu3.2

In general, a standard system update will make all the necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-1065-1

Risk factor : High
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-0721
Debian Security Information: DSA-2164 (Google Search)
http://www.debian.org/security/2011/dsa-2164
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.380014
http://www.ubuntu.com/usn/USN-1065-1
BugTraq ID: 46426
http://www.securityfocus.com/bid/46426
http://osvdb.org/70895
http://secunia.com/advisories/42505
http://secunia.com/advisories/43345
http://www.vupen.com/english/advisories/2011/0396
http://www.vupen.com/english/advisories/2011/0398
http://www.vupen.com/english/advisories/2011/0773
XForce ISS Database: shadow-chfnchsh-crlf-injection(65564)
http://xforce.iss.net/xforce/xfdb/65564
CopyrightCopyright (c) 2011 E-Soft Inc. http://www.securityspace.com

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