CVE-2013-0166

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 19.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-08 · updated 2026-06-16
Weakness: CWE-310

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.

Affected products

OpenSSL: 0.9.1c, 0.9.2b, 0.9.3, 0.9.3a, 0.9.4, 0.9.5 (+86)
RedHat Openssl: 0.9.6-15, 0.9.6b-3, 0.9.7a-2

References

http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=62e4506a7d4cec1c8e1ff687f6b220f6a62a57c7
http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=66e8211c0b1347970096e04b18aa52567c325200
http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=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

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