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Test ID:1.3.6.1.4.1.25623.1.0.60143
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-561-1 (pwlib)
Summary:Ubuntu USN-561-1 (pwlib)
Description:
The remote host is missing an update to pwlib
announced via advisory USN-561-1.

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS
Ubuntu 6.10
Ubuntu 7.04
Ubuntu 7.10

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

Jose Miguel Esparza discovered that pwlib did not correctly handle large
string lengths. A remote attacker could send specially crafted packets to
applications linked against pwlib (e.g. Ekiga) causing them to crash, leading
to a denial of service.

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

Ubuntu 6.06 LTS:
libpt-1.10.0 1.10.0-1ubuntu1.1

Ubuntu 6.10:
libpt-1.10.0 1.10.2.dfsg-0ubuntu3.1

Ubuntu 7.04:
libpt-1.10.0 1.10.3-0ubuntu1.1

Ubuntu 7.10:
libpt-1.10.0 1.10.10-0ubuntu2.1

After a standard system upgrade you need to restart your session to effect
the necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-561-1

Risk factor : Medium
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2007-4897
Bugtraq: 20070912 S21SEC-036-EN Ekiga <= 2.0.5 Denial of service (Google Search)
http://www.securityfocus.com/archive/1/archive/1/479185/100/0/threaded
http://marc.info/?l=full-disclosure&m=118959114522339&w=2
http://www.s21sec.com/avisos/s21sec-036-en.txt
http://blog.s21sec.com/2007/09/sobre-la-vulnerabilidad-del-ekiga.html
http://openh323.cvs.sourceforge.net/openh323/opal/src/sip/sipcon.cxx?r1=2.120.2.25&r2=2.120.2.26&pathrev=v2_2_9
https://bugzilla.redhat.com/show_bug.cgi?id=292831
http://www.mandriva.com/security/advisories?name=MDKSA-2007:206
http://www.redhat.com/support/errata/RHSA-2007-0932.html
http://www.ubuntu.com/usn/usn-561-1
BugTraq ID: 25642
http://www.securityfocus.com/bid/25642
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10928
http://www.securitytracker.com/id?1018683
http://secunia.com/advisories/27127
http://secunia.com/advisories/27150
http://secunia.com/advisories/27518
http://secunia.com/advisories/28385
http://securityreason.com/securityalert/3138
XForce ISS Database: ekiga-sipurlgethostaddress-dos(36568)
http://xforce.iss.net/xforce/xfdb/36568
CopyrightCopyright (c) 2008 E-Soft Inc. http://www.securityspace.com

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