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Vulnerability Details : CVE-2006-2940

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.
Publish Date : 2006-09-28 Last Update Date : 2016-10-17
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- CVSS Scores & Vulnerability Types

CVSS Score
7.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Vendor Statements

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

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2006-07-03 2006-09-28
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @ cvedetails.com

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2006-2940 oval:org.opensuse.security:def:20062940 unix
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 (CP... oval:org.mitre.oval:def:10311 unix
RHSA-2006:0695: openssl security update (Important) oval:com.redhat.rhsa:def:20060695 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2006-2940

# Product Type Vendor Product Version Update Edition Language
1 Application Openssl Openssl 0.9.1c Version Details Vulnerabilities
2 Application Openssl Openssl 0.9.2b Version Details Vulnerabilities
3 Application Openssl Openssl 0.9.3 Version Details Vulnerabilities
4 Application Openssl Openssl 0.9.3a Version Details Vulnerabilities
5 Application Openssl Openssl 0.9.4 Version Details Vulnerabilities
6 Application Openssl Openssl 0.9.5a Version Details Vulnerabilities
7 Application Openssl Openssl 0.9.5a Beta1 Version Details Vulnerabilities
8 Application Openssl Openssl 0.9.5 Version Details Vulnerabilities
9 Application Openssl Openssl 0.9.5 Beta2 Version Details Vulnerabilities
10 Application Openssl Openssl 0.9.5 Beta1 Version Details Vulnerabilities
11 Application Openssl Openssl 0.9.5a Beta2 Version Details Vulnerabilities
12 Application Openssl Openssl 0.9.6e Version Details Vulnerabilities
13 Application Openssl Openssl 0.9.6g Version Details Vulnerabilities
14 Application Openssl Openssl 0.9.6 Version Details Vulnerabilities
15 Application Openssl Openssl 0.9.6b Version Details Vulnerabilities
16 Application Openssl Openssl 0.9.6d Version Details Vulnerabilities
17 Application Openssl Openssl 0.9.6f Version Details Vulnerabilities
18 Application Openssl Openssl 0.9.6 Beta1 Version Details Vulnerabilities
19 Application Openssl Openssl 0.9.6a Version Details Vulnerabilities
20 Application Openssl Openssl 0.9.6k Version Details Vulnerabilities
21 Application Openssl Openssl 0.9.6 Beta2 Version Details Vulnerabilities
22 Application Openssl Openssl 0.9.6i Version Details Vulnerabilities
23 Application Openssl Openssl 0.9.6a Beta1 Version Details Vulnerabilities
24 Application Openssl Openssl 0.9.6j Version Details Vulnerabilities
25 Application Openssl Openssl 0.9.6 Beta3 Version Details Vulnerabilities
26 Application Openssl Openssl 0.9.6h Version Details Vulnerabilities
27 Application Openssl Openssl 0.9.6a Beta2 Version Details Vulnerabilities
28 Application Openssl Openssl 0.9.6l Version Details Vulnerabilities
29 Application Openssl Openssl 0.9.6c Version Details Vulnerabilities
30 Application Openssl Openssl 0.9.6m Version Details Vulnerabilities
31 Application Openssl Openssl 0.9.6a Beta3 Version Details Vulnerabilities
32 Application Openssl Openssl 0.9.7f Version Details Vulnerabilities
33 Application Openssl Openssl 0.9.7a Version Details Vulnerabilities
34 Application Openssl Openssl 0.9.7g Version Details Vulnerabilities
35 Application Openssl Openssl 0.9.7b Version Details Vulnerabilities
36 Application Openssl Openssl 0.9.7h Version Details Vulnerabilities
37 Application Openssl Openssl 0.9.7c Version Details Vulnerabilities
38 Application Openssl Openssl 0.9.7i Version Details Vulnerabilities
39 Application Openssl Openssl 0.9.7d Version Details Vulnerabilities
40 Application Openssl Openssl 0.9.7j Version Details Vulnerabilities
41 Application Openssl Openssl 0.9.7e Version Details Vulnerabilities
42 Application Openssl Openssl 0.9.7 Version Details Vulnerabilities
43 Application Openssl Openssl 0.9.7k Version Details Vulnerabilities
44 Application Openssl Openssl 0.9.8 Version Details Vulnerabilities
45 Application Openssl Openssl 0.9.8a Version Details Vulnerabilities
46 Application Openssl Openssl 0.9.8b Version Details Vulnerabilities
47 Application Openssl Openssl 0.9.8c Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openssl Openssl 47

- References For CVE-2006-2940

https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144
HP SSRT061213
https://issues.rpath.com/browse/RPL-1633 CONFIRM
http://www.xerox.com/downloads/usa/en/c/cert_ESSNetwork_XRX07001_v1.pdf CONFIRM
http://www.vupen.com/english/advisories/2008/0905/references
VUPEN ADV-2008-0905
http://www.vupen.com/english/advisories/2007/2315
VUPEN ADV-2007-2315
http://www.vupen.com/english/advisories/2007/2783
VUPEN ADV-2007-2783
http://www.vupen.com/english/advisories/2007/1401
VUPEN ADV-2007-1401
http://www.vupen.com/english/advisories/2007/0343
VUPEN ADV-2007-0343
http://www.vupen.com/english/advisories/2006/4980
VUPEN ADV-2006-4980
http://www.vupen.com/english/advisories/2006/4750
VUPEN ADV-2006-4750
http://www.vupen.com/english/advisories/2006/4417
VUPEN ADV-2006-4417
http://www.vupen.com/english/advisories/2006/4036
VUPEN ADV-2006-4036
http://www.vupen.com/english/advisories/2006/4264
VUPEN ADV-2006-4264
http://www.vupen.com/english/advisories/2006/4327
VUPEN ADV-2006-4327
http://www.vupen.com/english/advisories/2006/4329
VUPEN ADV-2006-4329
http://www.vupen.com/english/advisories/2006/4401
VUPEN ADV-2006-4401
http://www.vupen.com/english/advisories/2006/3936
VUPEN ADV-2006-3936
http://www.vupen.com/english/advisories/2006/4019
VUPEN ADV-2006-4019
http://www.vupen.com/english/advisories/2006/3902
VUPEN ADV-2006-3902
http://www.vupen.com/english/advisories/2006/3869
VUPEN ADV-2006-3869
http://www.vupen.com/english/advisories/2006/3820
VUPEN ADV-2006-3820
http://www.vupen.com/english/advisories/2006/3860
VUPEN ADV-2006-3860
http://www.vmware.com/support/ws55/doc/releasenotes_ws55.html CONFIRM
http://www.vmware.com/support/server/doc/releasenotes_server.html CONFIRM
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html CONFIRM
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html CONFIRM
http://www.vmware.com/support/ws6/doc/releasenotes_ws6.html CONFIRM
http://www.vmware.com/support/player2/doc/releasenotes_player2.html CONFIRM
http://www.vmware.com/support/esx25/doc/esx-254-200612-patch.html CONFIRM
http://www.vmware.com/support/player/doc/releasenotes_player.html CONFIRM
http://www.vmware.com/support/esx25/doc/esx-253-200612-patch.html CONFIRM
http://www.vmware.com/support/esx21/doc/esx-213-200612-patch.html CONFIRM
http://www.vmware.com/support/esx2/doc/esx-202-200612-patch.html CONFIRM
http://www.vmware.com/security/advisories/VMSA-2008-0005.html CONFIRM
http://www.vmware.com/support/ace2/doc/releasenotes_ace2.html CONFIRM
http://www.us-cert.gov/cas/techalerts/TA06-333A.html
CERT TA06-333A
http://www.uniras.gov.uk/niscc/docs/re-20060928-00661.pdf?lang=en
http://www.securityfocus.com/bid/22083
BID 22083 Oracle January 2007 Security Update Multiple Vulnerabilities Release Date:2012-10-23
http://www.securityfocus.com/bid/28276
BID 28276 VMware Server 1.0.5 and Workstation 6.0.3 Multiple Vulnerabilities Release Date:2012-10-01
http://www.serv-u.com/releasenotes/ CONFIRM
http://www.ubuntu.com/usn/usn-353-1
UBUNTU USN-353-1
http://www.ubuntu.com/usn/usn-353-2
UBUNTU USN-353-2
http://www.securityfocus.com/bid/20247
BID 20247 OpenSSL Public Key Processing Denial of Service Vulnerability Release Date:2008-08-25
http://www.securityfocus.com/archive/1/archive/1/489739/100/0/threaded
BUGTRAQ 20080318 VMSA-2008-0005 Updated VMware Workstation, VMware Player, VMware Server, VMware ACE, and VMware Fusion resolve critical security issues
http://www.oracle.com/technetwork/topics/security/cpujan2007-101493.html CONFIRM
http://www.redhat.com/support/errata/RHSA-2006-0695.html
REDHAT RHSA-2006:0695
http://www.redhat.com/support/errata/RHSA-2008-0629.html
REDHAT RHSA-2008:0629
http://www.securityfocus.com/archive/1/archive/1/447318/100/0/threaded
BUGTRAQ 20060928 rPSA-2006-0175-1 openssl openssl-scripts
http://www.securityfocus.com/archive/1/archive/1/447393/100/0/threaded
BUGTRAQ 20060929 rPSA-2006-0175-2 openssl openssl-scripts
http://www.securityfocus.com/archive/1/archive/1/456546/100/200/threaded
BUGTRAQ 20070110 VMware ESX server security updates
http://www.openssl.org/news/secadv_20060928.txt CONFIRM
http://www.mandriva.com/security/advisories?name=MDKSA-2006:178
MANDRIVA MDKSA-2006:178
http://www.novell.com/linux/security/advisories/2006_24_sr.html
SUSE SUSE-SR:2006:024
http://www.novell.com/linux/security/advisories/2006_58_openssl.html
SUSE SUSE-SA:2006:058
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.021-openssl.html
OPENPKG OpenPKG-SA-2006.021
http://www.mandriva.com/security/advisories?name=MDKSA-2006:172
MANDRIVA MDKSA-2006:172
http://www.mandriva.com/security/advisories?name=MDKSA-2006:177
MANDRIVA MDKSA-2006:177
http://www.debian.org/security/2006/dsa-1195
DEBIAN DSA-1195
http://www.gentoo.org/security/en/glsa/glsa-200612-11.xml
GENTOO GLSA-200612-11
http://www.debian.org/security/2006/dsa-1185
DEBIAN DSA-1185
http://www.cisco.com/warp/public/707/cisco-sr-20061108-openssl.shtml
CISCO 20061108 Multiple Vulnerabilities in OpenSSL library
http://www.cisco.com/en/US/products/hw/contnetw/ps4162/tsd_products_security_response09186a008077af1b.html
CISCO 20061108 Multiple Vulnerabilities in OpenSSL Library
http://www.arkoon.fr/upload/alertes/37AK-2006-06-FR-1.1_FAST360_OPENSSL_ASN1.pdf CONFIRM
http://www.arkoon.fr/upload/alertes/41AK-2006-08-FR-1.1_SSL360_OPENSSL_ASN1.pdf CONFIRM
http://support.avaya.com/elmodocs2/security/ASA-2006-260.htm CONFIRM
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200585-1
SUNALERT 200585
http://sunsolve.sun.com/search/document.do?assetkey=1-66-201534-1
SUNALERT 201534
http://support.attachmate.com/techdocs/2374.html CONFIRM
http://support.avaya.com/elmodocs2/security/ASA-2006-220.htm CONFIRM
http://security.gentoo.org/glsa/glsa-200610-11.xml
GENTOO GLSA-200610-11
http://securitytracker.com/id?1016943
SECTRACK 1016943
http://securitytracker.com/id?1017522
SECTRACK 1017522
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.676946
SLACKWARE SSA:2006-272-01
http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227 CONFIRM
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102668-1
SUNALERT 102668
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102747-1
SUNALERT 102747
http://security.freebsd.org/advisories/FreeBSD-SA-06:23.openssl.asc
FREEBSD FreeBSD-SA-06:23.openssl
http://openvpn.net/changelog.html CONFIRM
http://openbsd.org/errata.html#openssl2
OPENBSD [3.9] 20061007 013: SECURITY FIX: October 7, 2006
http://marc.info/?l=bugtraq&m=130497311408250&w=2
HP HPSBOV02683
http://marc.info/?l=bind-announce&m=116253119512445&w=2
MLIST [bind-announce] 20061103 Internet Systems Consortium Security Advisory. [revised]
http://lists.vmware.com/pipermail/security-announce/2008/000008.html
MLIST [security-announce] 20080317 VMSA-2008-0005 Updated VMware Workstation, VMware Player, VMware Server, VMware ACE, and VMware Fusion resolve critical security issues
http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html
APPLE APPLE-SA-2006-11-28
http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049715.html
FULLDISC 20060928 [SECURITY] OpenSSL 0.9.8d and 0.9.7l released
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00805100
HP SSRT061239
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00849540
HP SSRT071299
http://issues.rpath.com/browse/RPL-613 CONFIRM
http://kolab.org/security/kolab-vendor-notice-11.txt CONFIRM
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771
HP SSRT061275
http://docs.info.apple.com/article.html?artnum=304829 CONFIRM
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc
NETBSD NetBSD-SA2008-007
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
SGI 20061001-01-P
http://xforce.iss.net/xforce/xfdb/29230
XF openssl-publickey-dos(29230)
http://www.vupen.com/english/advisories/2008/2396
VUPEN ADV-2008-2396

- Metasploit Modules Related To CVE-2006-2940

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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