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Last updated: Tue May 21 21:59:44 EDT 2013

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National Cyber Awareness System

Vulnerability Summary for CVE-2008-1721

Original release date:04/10/2008
Last revised:03/08/2011
Source: US-CERT/NIST

Overview

Integer signedness error in the zlib extension module in Python 2.5.2 and earlier allows remote attackers to execute arbitrary code via a negative signed integer, which triggers insufficient memory allocation and a buffer overflow.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (04/15/2008)
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=442005 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: XF
Name: zlib-pystringfromstringandsize-bo(41748)
Hyperlink:http://xforce.iss.net/xforce/xfdb/41748
External Source: VUPEN
Name: ADV-2009-3316
Hyperlink:http://www.vupen.com/english/advisories/2009/3316
External Source: VUPEN
Name: ADV-2008-1229
Hyperlink:http://www.vupen.com/english/advisories/2008/1229/references
External Source: CONFIRM
Name: http://www.vmware.com/security/advisories/VMSA-2009-0016.html
Hyperlink:http://www.vmware.com/security/advisories/VMSA-2009-0016.html
External Source: UBUNTU
Name: USN-632-1
Hyperlink:http://www.ubuntu.com/usn/usn-632-1
External Source: BID
Name: 28715
Hyperlink:http://www.securityfocus.com/bid/28715
External Source: BUGTRAQ
Name: 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/507985/100/0/threaded
External Source: BUGTRAQ
Name: 20080409 IOActive Security Advisory: Buffer overflow in Python zlib extension module
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/490690/100/0/threaded
External Source: DEBIAN
Name: DSA-1620
Hyperlink:http://www.debian.org/security/2008/dsa-1620
External Source: CONFIRM
Name: http://support.avaya.com/css/P8/documents/100074697
Hyperlink:http://support.avaya.com/css/P8/documents/100074697
External Source: CONFIRM
Name: http://support.apple.com/kb/HT3438
Hyperlink:http://support.apple.com/kb/HT3438
External Source: SLACKWARE
Name: SSA:2008-217-01
Hyperlink:http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.525289
External Source: GENTOO
Name: GLSA-200807-01
Hyperlink:http://security.gentoo.org/glsa/glsa-200807-01.xml
External Source: SECUNIA
Name: 38675
Hyperlink:http://secunia.com/advisories/38675
External Source: SECUNIA
Name: 37471
Hyperlink:http://secunia.com/advisories/37471
External Source: SECUNIA
Name: 33937
Hyperlink:http://secunia.com/advisories/33937
External Source: SECUNIA
Name: 31365
Hyperlink:http://secunia.com/advisories/31365
External Source: SECUNIA
Name: 31358
Hyperlink:http://secunia.com/advisories/31358
External Source: SECUNIA
Name: 31255
Hyperlink:http://secunia.com/advisories/31255
External Source: SECUNIA
Name: 30872
Hyperlink:http://secunia.com/advisories/30872
External Source: OVAL
Name: oval:org.mitre.oval:def:9407
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9407
External Source: OVAL
Name: oval:org.mitre.oval:def:8494
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:8494
External Source: OVAL
Name: oval:org.mitre.oval:def:8249
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:8249
External Source: APPLE
Name: APPLE-SA-2009-02-12
Hyperlink:http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
External Source: CONFIRM
Name: http://bugs.python.org/issue2586
Hyperlink:http://bugs.python.org/issue2586
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-2444
Hyperlink:https://issues.rpath.com/browse/RPL-2444
External Source: SECTRACK
Name: 1019823
Hyperlink:http://www.securitytracker.com/id?1019823
External Source: MANDRIVA
Name: MDVSA-2008:085
Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2008:085
External Source: DEBIAN
Name: DSA-1551
Hyperlink:http://www.debian.org/security/2008/dsa-1551
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0149
Hyperlink:http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0149
External Source: SREASON
Name: 3802
Hyperlink:http://securityreason.com/securityalert/3802
External Source: SECUNIA
Name: 29955
Hyperlink:http://secunia.com/advisories/29955
External Source: SECUNIA
Name: 29889
Hyperlink:http://secunia.com/advisories/29889

References to Check Content

Identifier:oval:org.mitre.oval:def:9407
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9407
Identifier:oval:org.mitre.oval:def:8249
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:8249
Identifier:oval:org.mitre.oval:def:8494
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:8494

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:python_software_foundation:python:2.5.2 and previous versions
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1721