U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

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.


View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology
NIST: NVD
Base Score:  7.8 HIGH
Vector:  (AV:N/AC:L/Au:N/C:N/I:N/A:C)

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.

URL Source(s) Tag(s)
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc CVE, Inc., Red Hat
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc CVE, Inc., Red Hat
http://docs.info.apple.com/article.html?artnum=304829 CVE, Inc., Red Hat
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771 CVE, Inc., Red Hat
http://issues.rpath.com/browse/RPL-613 CVE, Inc., Red Hat
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00805100 CVE, Inc., Red Hat
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00849540 CVE, Inc., Red Hat
http://kolab.org/security/kolab-vendor-notice-11.txt CVE, Inc., Red Hat
http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html CVE, Inc., Red Hat
http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049715.html CVE, Inc., Red Hat
http://lists.vmware.com/pipermail/security-announce/2008/000008.html CVE, Inc., Red Hat
http://marc.info/?l=bind-announce&m=116253119512445&w=2 CVE, Inc., Red Hat
http://marc.info/?l=bugtraq&m=130497311408250&w=2 CVE, Inc., Red Hat
http://openbsd.org/errata.html#openssl2 CVE, Inc., Red Hat
http://openvpn.net/changelog.html CVE, Inc., Red Hat
http://secunia.com/advisories/22094 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22116 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22130 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22165 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22166 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22172 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22186 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22193 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22207 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22212 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22216 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22220 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22240 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22259 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22260 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22284 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22298 CVE, Inc., Red Hat
http://secunia.com/advisories/22330 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22385 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22460 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22487 CVE, Inc., Red Hat
http://secunia.com/advisories/22500 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22544 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/22626 CVE, Inc., Red Hat
http://secunia.com/advisories/22671 CVE, Inc., Red Hat
http://secunia.com/advisories/22758 CVE, Inc., Red Hat
http://secunia.com/advisories/22772 CVE, Inc., Red Hat
http://secunia.com/advisories/22799 CVE, Inc., Red Hat
http://secunia.com/advisories/23038 CVE, Inc., Red Hat
http://secunia.com/advisories/23155 CVE, Inc., Red Hat
http://secunia.com/advisories/23280 CVE, Inc., Red Hat
http://secunia.com/advisories/23309 CVE, Inc., Red Hat
http://secunia.com/advisories/23340 CVE, Inc., Red Hat
http://secunia.com/advisories/23351 CVE, Inc., Red Hat
http://secunia.com/advisories/23680 CVE, Inc., Red Hat
http://secunia.com/advisories/23794 CVE, Inc., Red Hat
http://secunia.com/advisories/23915 CVE, Inc., Red Hat
http://secunia.com/advisories/24930 CVE, Inc., Red Hat
http://secunia.com/advisories/24950 CVE, Inc., Red Hat
http://secunia.com/advisories/25889 CVE, Inc., Red Hat
http://secunia.com/advisories/26329 CVE, Inc., Red Hat
http://secunia.com/advisories/26893 CVE, Inc., Red Hat
http://secunia.com/advisories/30124 CVE, Inc., Red Hat
http://secunia.com/advisories/31492 CVE, Inc., Red Hat
http://secunia.com/advisories/31531 CVE, Inc., Red Hat
http://security.freebsd.org/advisories/FreeBSD-SA-06:23.openssl.asc CVE, Inc., Red Hat
http://security.gentoo.org/glsa/glsa-200610-11.xml CVE, Inc., Red Hat
http://securitytracker.com/id?1016943 CVE, Inc., Red Hat
http://securitytracker.com/id?1017522 CVE, Inc., Red Hat
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.676946 CVE, Inc., Red Hat
http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227 CVE, Inc., Red Hat
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102668-1 CVE, Inc., Red Hat
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102747-1 CVE, Inc., Red Hat
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200585-1 CVE, Inc., Red Hat
http://sunsolve.sun.com/search/document.do?assetkey=1-66-201534-1 CVE, Inc., Red Hat
http://support.attachmate.com/techdocs/2374.html CVE, Inc., Red Hat
http://support.avaya.com/elmodocs2/security/ASA-2006-220.htm CVE, Inc., Red Hat
http://support.avaya.com/elmodocs2/security/ASA-2006-260.htm CVE, Inc., Red Hat
http://www.arkoon.fr/upload/alertes/37AK-2006-06-FR-1.1_FAST360_OPENSSL_ASN1.pdf CVE, Inc., Red Hat
http://www.arkoon.fr/upload/alertes/41AK-2006-08-FR-1.1_SSL360_OPENSSL_ASN1.pdf CVE, Inc., Red Hat
http://www.cisco.com/en/US/products/hw/contnetw/ps4162/tsd_products_security_response09186a008077af1b.html CVE, Inc., Red Hat
http://www.cisco.com/warp/public/707/cisco-sr-20061108-openssl.shtml CVE, Inc., Red Hat
http://www.debian.org/security/2006/dsa-1185 CVE, Inc., Red Hat
http://www.debian.org/security/2006/dsa-1195 CVE, Inc., Red Hat
http://www.gentoo.org/security/en/glsa/glsa-200612-11.xml CVE, Inc., Red Hat
http://www.mandriva.com/security/advisories?name=MDKSA-2006:172 CVE, Inc., Red Hat
http://www.mandriva.com/security/advisories?name=MDKSA-2006:177 CVE, Inc., Red Hat
http://www.mandriva.com/security/advisories?name=MDKSA-2006:178 CVE, Inc., Red Hat
http://www.novell.com/linux/security/advisories/2006_24_sr.html CVE, Inc., Red Hat
http://www.novell.com/linux/security/advisories/2006_58_openssl.html CVE, Inc., Red Hat
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.021-openssl.html CVE, Inc., Red Hat
http://www.openssl.org/news/secadv_20060928.txt CVE, Inc., Red Hat
http://www.oracle.com/technetwork/topics/security/cpujan2007-101493.html CVE, Inc., Red Hat
http://www.osvdb.org/29261 CVE, Inc., Red Hat
http://www.redhat.com/support/errata/RHSA-2006-0695.html CVE, Inc., Red Hat Vendor Advisory 
http://www.redhat.com/support/errata/RHSA-2008-0629.html CVE, Inc., Red Hat
http://www.securityfocus.com/archive/1/447318/100/0/threaded CVE, Inc., Red Hat
http://www.securityfocus.com/archive/1/447393/100/0/threaded CVE, Inc., Red Hat
http://www.securityfocus.com/archive/1/456546/100/200/threaded CVE, Inc., Red Hat
http://www.securityfocus.com/archive/1/489739/100/0/threaded CVE, Inc., Red Hat
http://www.securityfocus.com/bid/20247 CVE, Inc., Red Hat
http://www.securityfocus.com/bid/22083 CVE, Inc., Red Hat
http://www.securityfocus.com/bid/28276 CVE, Inc., Red Hat
http://www.serv-u.com/releasenotes/ CVE, Inc., Red Hat
http://www.trustix.org/errata/2006/0054 CVE, Inc., Red Hat
http://www.ubuntu.com/usn/usn-353-1 CVE, Inc., Red Hat
http://www.ubuntu.com/usn/usn-353-2 CVE, Inc., Red Hat
http://www.uniras.gov.uk/niscc/docs/re-20060928-00661.pdf?lang=en CVE, Inc., Red Hat
http://www.us-cert.gov/cas/techalerts/TA06-333A.html CVE, Inc., Red Hat US Government Resource 
http://www.vmware.com/security/advisories/VMSA-2008-0005.html CVE, Inc., Red Hat
http://www.vmware.com/support/ace2/doc/releasenotes_ace2.html CVE, Inc., Red Hat
http://www.vmware.com/support/esx2/doc/esx-202-200612-patch.html CVE, Inc., Red Hat
http://www.vmware.com/support/esx21/doc/esx-213-200612-patch.html CVE, Inc., Red Hat
http://www.vmware.com/support/esx25/doc/esx-253-200612-patch.html CVE, Inc., Red Hat
http://www.vmware.com/support/esx25/doc/esx-254-200612-patch.html CVE, Inc., Red Hat
http://www.vmware.com/support/player/doc/releasenotes_player.html CVE, Inc., Red Hat
http://www.vmware.com/support/player2/doc/releasenotes_player2.html CVE, Inc., Red Hat
http://www.vmware.com/support/server/doc/releasenotes_server.html CVE, Inc., Red Hat
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html CVE, Inc., Red Hat
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html CVE, Inc., Red Hat
http://www.vmware.com/support/ws55/doc/releasenotes_ws55.html CVE, Inc., Red Hat
http://www.vmware.com/support/ws6/doc/releasenotes_ws6.html CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/3820 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/3860 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/3869 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/3902 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/3936 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4019 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4036 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4264 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4327 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4329 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4401 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4417 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4750 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4980 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2007/0343 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2007/1401 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2007/2315 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2007/2783 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2008/0905/references CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2008/2396 CVE, Inc., Red Hat
http://www.xerox.com/downloads/usa/en/c/cert_ESSNetwork_XRX07001_v1.pdf CVE, Inc., Red Hat
https://exchange.xforce.ibmcloud.com/vulnerabilities/29230 CVE, Inc., Red Hat
https://issues.rpath.com/browse/RPL-1633 CVE, Inc., Red Hat
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10311 CVE, Inc., Red Hat
https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144 CVE, Inc., Red Hat

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*
   Show Matching CPE(s)

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

Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2006-2940
NVD Published Date:
09/28/2006
NVD Last Modified:
04/08/2025
Source:
Red Hat, Inc.