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National Cyber Awareness System

Vulnerability Summary for CVE-2009-0692

Original release date:07/14/2009
Last revised:08/21/2010
Source: US-CERT/NIST

Overview

Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before 3.1.2p1, 3.0, and 2.0 allows remote DHCP servers to execute arbitrary code via a crafted subnet-mask option.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:10.0 (HIGH) (AV:N/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
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 (07/16/2009)
This issue affected the dhcp packages as shipped with Red Hat Enterprise Linux 3 and 4. Updated packages to correct this issue are available via Red Hat Network: https://rhn.redhat.com/errata/CVE-2009-0692.html This issue did not affect the dhcp packages as shipped with Red Hat Enterprise Linux 5 due to the use of FORTIFY_SOURCE protection mechanism that changes the exploitability of the issue into a controlled application termination.

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#410676
Name: VU#410676
Hyperlink:http://www.kb.cert.org/vuls/id/410676
External Source: CONFIRM
Name: https://www.isc.org/node/468
Type: Advisory; Patch Information
Hyperlink:https://www.isc.org/node/468
External Source: FEDORA
Name: FEDORA-2009-9075
Hyperlink:https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html
External Source: FEDORA
Name: FEDORA-2009-8344
Hyperlink:https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html
External Source: CONFIRM
Name: https://www.isc.org/downloadables/12
Hyperlink:https://www.isc.org/downloadables/12
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=507717
Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=507717
External Source: VUPEN
Name: ADV-2010-1796
Hyperlink:http://www.vupen.com/english/advisories/2010/1796
External Source: VUPEN
Name: ADV-2009-1891
Hyperlink:http://www.vupen.com/english/advisories/2009/1891
External Source: UBUNTU
Name: USN-803-1
Hyperlink:http://www.ubuntu.com/usn/usn-803-1
External Source: SECTRACK
Name: 1022548
Hyperlink:http://www.securitytracker.com/id?1022548
External Source: BID
Name: 35668
Hyperlink:http://www.securityfocus.com/bid/35668
External Source: REDHAT
Name: RHSA-2009:1154
Hyperlink:http://www.redhat.com/support/errata/RHSA-2009-1154.html
External Source: REDHAT
Name: RHSA-2009:1136
Hyperlink:http://www.redhat.com/support/errata/RHSA-2009-1136.html
External Source: OSVDB
Name: 55819
Hyperlink:http://www.osvdb.org/55819
External Source: MANDRIVA
Name: MDVSA-2009:151
Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2009:151
External Source: DEBIAN
Name: DSA-1833
Hyperlink:http://www.debian.org/security/2009/dsa-1833
External Source: SLACKWARE
Name: SSA:2009-195-01
Hyperlink:http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561471
External Source: GENTOO
Name: GLSA-200907-12
Hyperlink:http://security.gentoo.org/glsa/glsa-200907-12.xml
External Source: SECUNIA
Name: 40551
Hyperlink:http://secunia.com/advisories/40551
External Source: SECUNIA
Name: 37342
Hyperlink:http://secunia.com/advisories/37342
External Source: SECUNIA
Name: 36457
Hyperlink:http://secunia.com/advisories/36457
External Source: SECUNIA
Name: 35880
Hyperlink:http://secunia.com/advisories/35880
External Source: SECUNIA
Name: 35851
Hyperlink:http://secunia.com/advisories/35851
External Source: SECUNIA
Name: 35850
Hyperlink:http://secunia.com/advisories/35850
External Source: SECUNIA
Name: 35849
Hyperlink:http://secunia.com/advisories/35849
External Source: SECUNIA
Name: 35841
Hyperlink:http://secunia.com/advisories/35841
External Source: SECUNIA
Name: 35832
Hyperlink:http://secunia.com/advisories/35832
External Source: SECUNIA
Name: 35831
Hyperlink:http://secunia.com/advisories/35831
External Source: SECUNIA
Name: 35830
Hyperlink:http://secunia.com/advisories/35830
External Source: SECUNIA
Name: 35829
Hyperlink:http://secunia.com/advisories/35829
External Source: SECUNIA
Name: 35785
Type: Advisory
Hyperlink:http://secunia.com/advisories/35785
External Source: OVAL
Name: oval:org.mitre.oval:def:5941
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:5941
External Source: OVAL
Name: oval:org.mitre.oval:def:10758
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10758
External Source: SUSE
Name: SUSE-SA:2009:037
Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00003.html
External Source: HP
Name: SSRT100018
Hyperlink:http://itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02286083
External Source: HP
Name: SSRT100018
Hyperlink:http://itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02286083
External Source: NETBSD
Name: NetBSD-SA2009-010
Hyperlink:http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-010.txt.asc

References to Check Content

Identifier:oval:org.mitre.oval:def:10758
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10758
Identifier:oval:org.mitre.oval:def:5941
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:5941

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:isc:dhcp:4.1.0
spacerspacerNav control image* cpe:/a:isc:dhcp:4.0
spacerspacerNav control image* cpe:/a:isc:dhcp:3.0
spacerspacerNav control image* cpe:/a:isc:dhcp:3.1
spacerspacerNav control image* cpe:/a:isc:dhcp:2.0
* 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-2009-0692