Vulnerability CVE-2013-0166


Published: 2013-02-08

Description:
OpenSSL before 0.9.8y, 1.0.0 before 1.0.0k, and 1.0.1 before 1.0.1d does not properly perform signature verification for OCSP responses, which allows remote OCSP servers to cause a denial of service (NULL pointer dereference and application crash) via an invalid key.

See advisories in our WLB2 database:
Topic
Author
Date
High
OpenSSL SSL, TLS and DTLS Plaintext Recovery Attack
OpenSSL
09.02.2013

Type:

CWE-310

(Cryptographic Issues)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Openssl 
Openssl -> Openssl 

 References:
http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=62e4506a7d4cec1c8e1ff687f6b220f6a62a57c7
http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=66e8211c0b1347970096e04b18aa52567c325200
http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=ebc71865f0506a293242bd4aec97cdc7a8ef24b0
http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
http://marc.info/?l=bugtraq&m=136396549913849&w=2
http://marc.info/?l=bugtraq&m=136432043316835&w=2
http://marc.info/?l=bugtraq&m=137545771702053&w=2
http://rhn.redhat.com/errata/RHSA-2013-0587.html
http://rhn.redhat.com/errata/RHSA-2013-0782.html
http://rhn.redhat.com/errata/RHSA-2013-0783.html
http://rhn.redhat.com/errata/RHSA-2013-0833.html
http://support.apple.com/kb/HT5880
http://www.debian.org/security/2013/dsa-2621
http://www.kb.cert.org/vuls/id/737740
http://www.openssl.org/news/secadv_20130204.txt
http://www.splunk.com/view/SP-CAAAHXG
https://bugzilla.redhat.com/show_bug.cgi?id=908052
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18754
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19081
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19360
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19487
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001

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