Vulnerability Description
The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly restrict certain oracle behavior, which makes it easier for context-dependent attackers to decrypt data via a Million Message Attack (MMA) adaptive chosen ciphertext attack.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | <= 0.9.8t |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077086.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077221.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077666.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.h
- http://marc.info/?l=bugtraq&m=133728068926468&w=2
- http://marc.info/?l=bugtraq&m=133951357207000&w=2
- http://marc.info/?l=bugtraq&m=134039053214295&w=2
- http://rhn.redhat.com/errata/RHSA-2012-0426.html
- http://rhn.redhat.com/errata/RHSA-2012-0488.html
- http://rhn.redhat.com/errata/RHSA-2012-0531.html
- http://rhn.redhat.com/errata/RHSA-2012-1306.html
- http://rhn.redhat.com/errata/RHSA-2012-1307.html
- http://rhn.redhat.com/errata/RHSA-2012-1308.html
- http://secunia.com/advisories/48580
- http://secunia.com/advisories/48895
FAQ
What is CVE-2012-0884?
CVE-2012-0884 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly restrict certain oracle behavior, which makes it easier for contex...
How severe is CVE-2012-0884?
CVE-2012-0884 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-0884?
Check the references section above for vendor advisories and patch information. Affected products include: Openssl Openssl.