#VU32723 Cryptographic issues in OpenSSL - CVE-2012-2686
Published: February 8, 2013 / Updated: July 29, 2020
Vulnerability identifier: #VU32723
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2012-2686
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
OpenSSL
OpenSSL
Software vendor:
OpenSSL Software Foundation
OpenSSL Software Foundation
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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.
Remediation
Install update from vendor's website.
External links
- http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=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