Executive Summary

Summary
Title pwlib security update
Informations
Name RHSA-2007:0932 First vendor Publication 2007-10-08
Vendor RedHat Last vendor Modification 2007-10-08
Severity (Vendor) Moderate Revision 01

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

Updated pwlib packages that fix a security issue are now available for Red Hat Enterprise Linux 5.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64 RHEL Desktop Workstation (v. 5 client) - i386, x86_64 RHEL Optional Productivity Applications (v. 5 server) - i386, x86_64

3. Problem description:

PWLib is a library used to support cross-platform applications.

In Red Hat Enterprise Linux 5, the Ekiga teleconferencing application uses PWLib.

A memory management flaw was discovered in PWLib. An attacker could use this flaw to crash an application, such as Ekiga, which is linked with pwlib (CVE-2007-4897).

Users should upgrade to these updated packages which contain a backported patch to correct this issue.

4. Solution:

Before applying this update, make sure that all previously-released errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

5. Bug IDs fixed (http://bugzilla.redhat.com/):

292831 - CVE-2007-4897 ekiga GetHostAddress remote DoS

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2007-0932.html

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-399 Resource Management Errors

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:10928
 
Oval ID: oval:org.mitre.oval:def:10928
Title: pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to cause a denial of service (application crash) via a long argument to the PString::vsprintf function, related to a "memory management flaw". NOTE: this issue was originally reported as being in the SIPURL::GetHostAddress function in Ekiga (formerly GnomeMeeting).
Description: pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to cause a denial of service (application crash) via a long argument to the PString::vsprintf function, related to a "memory management flaw". NOTE: this issue was originally reported as being in the SIPURL::GetHostAddress function in Ekiga (formerly GnomeMeeting).
Family: unix Class: vulnerability
Reference(s): CVE-2007-4897
 Version: 5
Platform(s): Red Hat Enterprise Linux 5
CentOS Linux 5
Oracle Linux 5
 Product(s):
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:17687
 
Oval ID: oval:org.mitre.oval:def:17687
Title: USN-561-1 -- pwlib vulnerability
Description: Jose Miguel Esparza discovered that pwlib did not correctly handle large string lengths.
Family: unix Class: patch
Reference(s): USN-561-1
CVE-2007-4897
 Version: 7
Platform(s): Ubuntu 6.06
Ubuntu 6.10
Ubuntu 7.04
Ubuntu 7.10
 Product(s): pwlib
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:22100
 
Oval ID: oval:org.mitre.oval:def:22100
Title: ELSA-2007:0932: pwlib security update (Moderate)
Description: pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to cause a denial of service (application crash) via a long argument to the PString::vsprintf function, related to a "memory management flaw". NOTE: this issue was originally reported as being in the SIPURL::GetHostAddress function in Ekiga (formerly GnomeMeeting).
Family: unix Class: patch
Reference(s): ELSA-2007:0932-01
CVE-2007-4897
 Version: 6
Platform(s): Oracle Linux 5
 Product(s): pwlib
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

ExploitDB Exploits

id Description
2009-07-24 Ekiga 2.0.5 - (GetHostAddress) Remote Denial of Service Exploit

OpenVAS Exploits

Date Description
2009-04-09 Name : Mandriva Update for pwlib MDKSA-2007:206 (pwlib)
File : nvt/gb_mandriva_MDKSA_2007_206.nasl
2009-03-23 Name : Ubuntu Update for pwlib vulnerability USN-561-1
File : nvt/gb_ubuntu_USN_561_1.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
41647 PWLib src/ptlib/common/contain.cxx PString::vsprintf() Function Remote DoS

Nessus® Vulnerability Scanner

Date Description
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20071008_pwlib_on_SL5_x.nasl - Type : ACT_GATHER_INFO
2010-01-06 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2007-0932.nasl - Type : ACT_GATHER_INFO
2008-01-10 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-561-1.nasl - Type : ACT_GATHER_INFO
2007-11-05 Name : The remote Mandrake Linux host is missing one or more security updates.
File : mandrake_MDKSA-2007-206.nasl - Type : ACT_GATHER_INFO
2007-10-09 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2007-0932.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:51:02
  • Multiple Updates