CVE-2012-2686

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 39.6% 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

crypto/evp/e_aes_cbc_hmac_sha1.c in the AES-NI functionality in the TLS 1.1 and 1.2 implementations in OpenSSL 1.0.1 before 1.0.1d allows remote attackers to cause a denial of service (application crash) via crafted CBC data.

Affected products

OpenSSL: 1.0.1, 1.0.1a, 1.0.1b, 1.0.1c

References

http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=125093b59f3c2a2d33785b5563d929d0472f1721
http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
http://marc.info/?l=bugtraq&m=137545771702053&w=2
http://secunia.com/advisories/55108
http://secunia.com/advisories/55139
http://support.apple.com/kb/HT5880
http://www.openssl.org/news/secadv_20130204.txt
http://www.securityfocus.com/bid/57755
https://bugzilla.redhat.com/show_bug.cgi?id=908029
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18868
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19660
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001

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