National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2006-2940 Detail

Current Description

OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows attackers to cause a denial of service (CPU consumption) via parasitic public keys with large (1) "public exponent" or (2) "public modulus" values in X.509 certificates that require extra time to process when using RSA signature verification.

Source:  MITRE
Description Last Modified:  09/28/2006
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (03/14/2007)

Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

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.

Hyperlink Resource
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
http://docs.info.apple.com/article.html?artnum=304829
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771
http://issues.rpath.com/browse/RPL-613
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00805100
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00849540
http://kolab.org/security/kolab-vendor-notice-11.txt
http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html
http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049715.html
http://lists.vmware.com/pipermail/security-announce/2008/000008.html
http://marc.info/?l=bind-announce&m=116253119512445&w=2
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://openbsd.org/errata.html#openssl2
http://openvpn.net/changelog.html
http://security.freebsd.org/advisories/FreeBSD-SA-06:23.openssl.asc
http://security.gentoo.org/glsa/glsa-200610-11.xml
http://securitytracker.com/id?1016943
http://securitytracker.com/id?1017522
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.676946
http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102668-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102747-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200585-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-201534-1
http://support.attachmate.com/techdocs/2374.html
http://support.avaya.com/elmodocs2/security/ASA-2006-220.htm
http://support.avaya.com/elmodocs2/security/ASA-2006-260.htm
http://www.arkoon.fr/upload/alertes/37AK-2006-06-FR-1.1_FAST360_OPENSSL_ASN1.pdf
http://www.arkoon.fr/upload/alertes/41AK-2006-08-FR-1.1_SSL360_OPENSSL_ASN1.pdf
http://www.cisco.com/en/US/products/hw/contnetw/ps4162/tsd_products_security_response09186a008077af1b.html
http://www.cisco.com/warp/public/707/cisco-sr-20061108-openssl.shtml
http://www.debian.org/security/2006/dsa-1185
http://www.debian.org/security/2006/dsa-1195
http://www.gentoo.org/security/en/glsa/glsa-200612-11.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2006:172
http://www.mandriva.com/security/advisories?name=MDKSA-2006:177
http://www.mandriva.com/security/advisories?name=MDKSA-2006:178
http://www.novell.com/linux/security/advisories/2006_24_sr.html
http://www.novell.com/linux/security/advisories/2006_58_openssl.html
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.021-openssl.html
http://www.openssl.org/news/secadv_20060928.txt
http://www.oracle.com/technetwork/topics/security/cpujan2007-101493.html
http://www.redhat.com/support/errata/RHSA-2006-0695.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2008-0629.html
http://www.securityfocus.com/archive/1/archive/1/447318/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/447393/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/456546/100/200/threaded
http://www.securityfocus.com/archive/1/archive/1/489739/100/0/threaded
http://www.securityfocus.com/bid/20247
http://www.securityfocus.com/bid/22083
http://www.securityfocus.com/bid/28276
http://www.serv-u.com/releasenotes/
http://www.ubuntu.com/usn/usn-353-1
http://www.ubuntu.com/usn/usn-353-2
http://www.uniras.gov.uk/niscc/docs/re-20060928-00661.pdf?lang=en
http://www.us-cert.gov/cas/techalerts/TA06-333A.html US Government Resource
http://www.vmware.com/security/advisories/VMSA-2008-0005.html
http://www.vmware.com/support/ace2/doc/releasenotes_ace2.html
http://www.vmware.com/support/esx2/doc/esx-202-200612-patch.html
http://www.vmware.com/support/esx21/doc/esx-213-200612-patch.html
http://www.vmware.com/support/esx25/doc/esx-253-200612-patch.html
http://www.vmware.com/support/esx25/doc/esx-254-200612-patch.html
http://www.vmware.com/support/player/doc/releasenotes_player.html
http://www.vmware.com/support/player2/doc/releasenotes_player2.html
http://www.vmware.com/support/server/doc/releasenotes_server.html
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
http://www.vmware.com/support/ws55/doc/releasenotes_ws55.html
http://www.vmware.com/support/ws6/doc/releasenotes_ws6.html
http://www.vupen.com/english/advisories/2006/3820
http://www.vupen.com/english/advisories/2006/3860
http://www.vupen.com/english/advisories/2006/3869
http://www.vupen.com/english/advisories/2006/3902
http://www.vupen.com/english/advisories/2006/3936
http://www.vupen.com/english/advisories/2006/4019
http://www.vupen.com/english/advisories/2006/4036
http://www.vupen.com/english/advisories/2006/4264
http://www.vupen.com/english/advisories/2006/4327
http://www.vupen.com/english/advisories/2006/4329
http://www.vupen.com/english/advisories/2006/4401
http://www.vupen.com/english/advisories/2006/4417
http://www.vupen.com/english/advisories/2006/4750
http://www.vupen.com/english/advisories/2006/4980
http://www.vupen.com/english/advisories/2007/0343
http://www.vupen.com/english/advisories/2007/1401
http://www.vupen.com/english/advisories/2007/2315
http://www.vupen.com/english/advisories/2007/2783
http://www.vupen.com/english/advisories/2008/0905/references
http://www.vupen.com/english/advisories/2008/2396
http://www.xerox.com/downloads/usa/en/c/cert_ESSNetwork_XRX07001_v1.pdf
https://exchange.xforce.ibmcloud.com/vulnerabilities/29230
https://issues.rpath.com/browse/RPL-1633
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10311
https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144

References to Check Content

Identifier:
oval:org.mitre.oval:def:10311
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10311

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2006-2940
NVD Published Date:
09/28/2006
NVD Last Modified:
10/10/2017