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Last updated: Tue Aug 25 22:00:41 EDT 2009

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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber-Alert System

Vulnerability Summary for CVE-2007-4995

Original release date:10/13/2007
Last revised:08/20/2009
Source: US-CERT/NIST

Overview

Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statments (disclaimer)

Official Statement from Red Hat (10/24/2007)
This issue did not affect the versions of OpenSSL as shipped with Red Hat Enterprise Linux 2.1, 3, or 4. An update to correct this issue for Enterprise Linux 5 is available. http://rhn.redhat.com/cve/CVE-2007-4995.html Please note that the CVE description is incorrect, this issue did not affect upstream versions of OpenSSL prior to 0.9.8.

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: CONFIRM
Name: http://www.openssl.org/news/secadv_20071012.txt
Type: Patch Information
Hyperlink:http://www.openssl.org/news/secadv_20071012.txt
External Source: FEDORA
Name: FEDORA-2007-725
Hyperlink:https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00218.html
External Source: XF
Name: openssl-dtls-code-execution(37185)
Hyperlink:http://xforce.iss.net/xforce/xfdb/37185
External Source: VUPEN
Name: ADV-2008-1937
Hyperlink:http://www.vupen.com/english/advisories/2008/1937/references
External Source: UBUNTU
Name: USN-534-1
Hyperlink:http://www.ubuntulinux.org/support/documentation/usn/usn-534-1
External Source: BID
Name: 26055
Hyperlink:http://www.securityfocus.com/bid/26055
External Source: BUGTRAQ
Name: 20071012 OpenSSL Security Advisory
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/482167/100/0/threaded
External Source: REDHAT
Name: RHSA-2007:0964
Hyperlink:http://www.redhat.com/support/errata/RHSA-2007-0964.html
External Source: MANDRIVA
Name: MDKSA-2007:237
Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:237
External Source: VUPEN
Name: ADV-2007-4219
Hyperlink:http://www.frsirt.com/english/advisories/2007/4219
External Source: VUPEN
Name: ADV-2007-3487
Hyperlink:http://www.frsirt.com/english/advisories/2007/3487
External Source: MISC
Name: http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738962
Hyperlink:http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738962
External Source: SECTRACK
Name: 1018810
Hyperlink:http://securitytracker.com/id?1018810
External Source: GENTOO
Name: GLSA-200710-30
Hyperlink:http://security.gentoo.org/glsa/glsa-200710-30.xml
External Source: SECUNIA
Name: 30852
Hyperlink:http://secunia.com/advisories/30852
External Source: SECUNIA
Name: 28084
Hyperlink:http://secunia.com/advisories/28084
External Source: SECUNIA
Name: 27933
Hyperlink:http://secunia.com/advisories/27933
External Source: SECUNIA
Name: 27434
Hyperlink:http://secunia.com/advisories/27434
External Source: SECUNIA
Name: 27363
Hyperlink:http://secunia.com/advisories/27363
External Source: SECUNIA
Name: 27271
Hyperlink:http://secunia.com/advisories/27271
External Source: SECUNIA
Name: 27217
Hyperlink:http://secunia.com/advisories/27217
External Source: SECUNIA
Name: 27205
Hyperlink:http://secunia.com/advisories/27205
External Source: SECUNIA
Name: 25878
Type: Advisory
Hyperlink:http://secunia.com/advisories/25878
External Source: SUSE
Name: SUSE-SR:2007:021
Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html
External Source: HP
Name: HPSBUX02296
Hyperlink:http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01299773
External Source: CONFIRM
Name: http://bugs.gentoo.org/show_bug.cgi?id=195634
Hyperlink:http://bugs.gentoo.org/show_bug.cgi?id=195634
External Source: GENTOO
Name: GLSA-200805-07
Hyperlink:http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
External Source: DEBIAN
Name: DSA-1571
Hyperlink:http://www.debian.org/security/2008/dsa-1571
External Source: SECUNIA
Name: 30220
Hyperlink:http://secunia.com/advisories/30220
External Source: SECUNIA
Name: 30161
Hyperlink:http://secunia.com/advisories/30161

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7:beta1
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7:beta2
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7:beta3
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7:beta4
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7:beta5
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7:beta6
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7a
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7b
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7c
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7d
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7e
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7f
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7g
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7h
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7i
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7j
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7k
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.7l
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.8
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.8a
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.8b
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.8c
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.8d
spacerspacerNav control image* cpe:/a:openssl:openssl:0.9.8e
* 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-2007-4995