ID CVE-2006-2940
Summary 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.
References
Vulnerable Configurations
  • cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*
    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:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:*
    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:0.9.5:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*
    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:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:*
    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:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:*
    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:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:*
    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:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:*:*
    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:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:*:*
    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:0.9.6b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*
    cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*
CVSS
Base: 7.8 (as of 18-10-2018 - 16:44)
Impact:
Exploitability:
CWE CWE-399
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE COMPLETE
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:C
oval via4
accepted 2013-04-29T04:04:30.648-04:00
class vulnerability
contributors
  • name Aharon Chernin
    organization SCAP.com, LLC
  • name Dragos Prisaca
    organization G2, Inc.
definition_extensions
  • comment The operating system installed on the system is Red Hat Enterprise Linux 3
    oval oval:org.mitre.oval:def:11782
  • comment CentOS Linux 3.x
    oval oval:org.mitre.oval:def:16651
  • comment The operating system installed on the system is Red Hat Enterprise Linux 4
    oval oval:org.mitre.oval:def:11831
  • comment CentOS Linux 4.x
    oval oval:org.mitre.oval:def:16636
  • comment Oracle Linux 4.x
    oval oval:org.mitre.oval:def:15990
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.
family unix
id oval:org.mitre.oval:def:10311
status accepted
submitted 2010-07-09T03:56:16-04:00
title 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.
version 23
redhat via4
advisories
  • rhsa
    id RHSA-2006:0695
  • rhsa
    id RHSA-2008:0629
rpms
  • openssl-0:0.9.7a-33.21
  • openssl-devel-0:0.9.7a-33.21
  • openssl-perl-0:0.9.7a-33.21
  • openssl096b-0:0.9.6b-16.46
  • openssl-0:0.9.7a-43.14
  • openssl-devel-0:0.9.7a-43.14
  • openssl-perl-0:0.9.7a-43.14
  • openssl096b-0:0.9.6b-22.46
refmap via4
apple APPLE-SA-2006-11-28
bid
  • 20247
  • 22083
  • 28276
bugtraq
  • 20060928 rPSA-2006-0175-1 openssl openssl-scripts
  • 20060929 rPSA-2006-0175-2 openssl openssl-scripts
  • 20070110 VMware ESX server security updates
  • 20080318 VMSA-2008-0005 Updated VMware Workstation, VMware Player, VMware Server, VMware ACE, and VMware Fusion resolve critical security issues
cert TA06-333A
cisco
  • 20061108 Multiple Vulnerabilities in OpenSSL Library
  • 20061108 Multiple Vulnerabilities in OpenSSL library
confirm
debian
  • DSA-1185
  • DSA-1195
freebsd FreeBSD-SA-06:23.openssl
fulldisc 20060928 [SECURITY] OpenSSL 0.9.8d and 0.9.7l released
gentoo
  • GLSA-200610-11
  • GLSA-200612-11
hp
  • HPSBMA02250
  • HPSBOV02683
  • HPSBTU02207
  • HPSBUX02174
  • HPSBUX02186
  • SSRT061213
  • SSRT061239
  • SSRT061275
  • SSRT071299
  • SSRT071304
  • SSRT090208
mandriva
  • MDKSA-2006:172
  • MDKSA-2006:177
  • MDKSA-2006:178
misc http://www.uniras.gov.uk/niscc/docs/re-20060928-00661.pdf?lang=en
mlist
  • [bind-announce] 20061103 Internet Systems Consortium Security Advisory. [revised]
  • [security-announce] 20080317 VMSA-2008-0005 Updated VMware Workstation, VMware Player, VMware Server, VMware ACE, and VMware Fusion resolve critical security issues
netbsd NetBSD-SA2008-007
openbsd [3.9] 20061007 013: SECURITY FIX: October 7, 2006
openpkg OpenPKG-SA-2006.021
osvdb 29261
sectrack
  • 1016943
  • 1017522
secunia
  • 22094
  • 22116
  • 22130
  • 22165
  • 22166
  • 22172
  • 22186
  • 22193
  • 22207
  • 22212
  • 22216
  • 22220
  • 22240
  • 22259
  • 22260
  • 22284
  • 22298
  • 22330
  • 22385
  • 22460
  • 22487
  • 22500
  • 22544
  • 22626
  • 22671
  • 22758
  • 22772
  • 22799
  • 23038
  • 23155
  • 23280
  • 23309
  • 23340
  • 23351
  • 23680
  • 23794
  • 23915
  • 24930
  • 24950
  • 25889
  • 26329
  • 26893
  • 30124
  • 31492
  • 31531
sgi 20061001-01-P
slackware SSA:2006-272-01
sunalert
  • 102668
  • 102747
  • 200585
  • 201534
suse
  • SUSE-SA:2006:058
  • SUSE-SR:2006:024
trustix 2006-0054
ubuntu
  • USN-353-1
  • USN-353-2
vupen
  • ADV-2006-3820
  • ADV-2006-3860
  • ADV-2006-3869
  • ADV-2006-3902
  • ADV-2006-3936
  • ADV-2006-4019
  • ADV-2006-4036
  • ADV-2006-4264
  • ADV-2006-4327
  • ADV-2006-4329
  • ADV-2006-4401
  • ADV-2006-4417
  • ADV-2006-4750
  • ADV-2006-4980
  • ADV-2007-0343
  • ADV-2007-1401
  • ADV-2007-2315
  • ADV-2007-2783
  • ADV-2008-0905
  • ADV-2008-2396
xf openssl-publickey-dos(29230)
statements via4
contributor Mark J Cox
lastmodified 2007-03-14
organization Red Hat
statement Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
Last major update 18-10-2018 - 16:44
Published 28-09-2006 - 18:07
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