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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. #### Notes Author| Note ---|--- [sbeattie](<https://launchpad.net/~sbeattie>) | only affects CMS, PKCS #7, or S/MIME decryption, not SSL/TLS transactions [mdeslaur](<https://launchpad.net/~mdeslaur>) | from oss-security: "If a Linux distribution picks up the fix for CVE-2012-0884 then they will want to pick up change 22161 at the same time since the fix for the security vulnerability will generally cause symmetric decryption errors when it kicks in and things get very confusing for the end user without change 22161" A second issue was fixed too, see: http://www.openwall.com/lists/oss-security/2012/05/11/5


Affected Package


OS OS Version Package Name Package Version
ubuntu 10.04 openssl 0.9.8k-7ubuntu8.13
ubuntu 11.04 openssl 0.9.8o-5ubuntu1.7
ubuntu 11.10 openssl 1.0.0e-2ubuntu4.6
ubuntu upstream openssl 1.0.1
ubuntu 12.04 openssl098 0.9.8o-7ubuntu3.2
ubuntu 13.10 openssl098 0.9.8o-7ubuntu3.2.13.10.1
ubuntu 14.04 openssl098 trusty was released [0.9.8o-7ubuntu3.2.14.04.1]
ubuntu upstream openssl098 any

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