CVE-2012-0884

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.35% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory fedoraproject.org Vendor Advisory openssl.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077666.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0531.html vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html vendor advisory
https://downloads.avaya.com/css/P8/documents/100162507
http://rhn.redhat.com/errata/RHSA-2012-1308.html vendor advisory
https://hermes.opensuse.org/messages/14330767 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1307.html vendor advisory
http://www.openssl.org/news/secadv_20120312.txt vendor advisory
http://secunia.com/advisories/48916 third party advisory
http://rhn.redhat.com/errata/RHSA-2012-0488.html vendor advisory
http://www.debian.org/security/2012/dsa-2454 vendor advisory
http://secunia.com/advisories/48895 third party advisory
http://secunia.com/advisories/48580 third party advisory
http://www.kb.cert.org/vuls/id/737740 third party advisory us government resource
http://rhn.redhat.com/errata/RHSA-2012-1306.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077086.html vendor advisory
http://marc.info/?l=bugtraq&m=134039053214295&w=2 vendor advisory
http://secunia.com/advisories/57353 third party advisory
http://rhn.redhat.com/errata/RHSA-2012-0426.html vendor advisory
http://marc.info/?l=bugtraq&m=133728068926468&w=2 vendor advisory
http://marc.info/?l=bugtraq&m=133951357207000&w=2 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077221.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-0884?
CVE-2012-0884 has been scored as a medium severity vulnerability.
How to fix CVE-2012-0884?
To fix CVE-2012-0884, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-0884 being actively exploited in the wild?
It is possible that CVE-2012-0884 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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