SB2013020803 - Cryptographic issues in OpenSSL
Published: February 8, 2013 Updated: July 28, 2020
Security Bulletin ID
SB2013020803
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2012-2686)
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.
References
- 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