PT-2012-1076 · Openssl+5 · Openssl+5
Published
2012-01-04
·
Updated
2024-06-15
·
CVE-2011-4576
CVSS v2.0
7.6
High
| Vector | AV:N/AC:H/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
OpenSSL versions prior to 0.9.8s and 1.x prior to 1.0.0f
OpenSSL versions prior to 1.0.0g
Description
The issue affects the SSL 3.0 implementation in OpenSSL, which does not properly initialize data structures for block cipher padding. This might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer. The exploitation of these vulnerabilities can lead to a violation of confidentiality, integrity, and availability of protected information and can be carried out remotely.
Recommendations
For versions prior to 0.9.8s, update to version 0.9.8s or later.
For versions prior to 1.0.0f, update to version 1.0.0f or later.
For versions prior to 1.0.0g, update to version 1.0.0g or later.
As a temporary workaround, consider restricting access to SSL services until a patch is available.
Fix
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Related Identifiers
Affected Products
Centos
Hp-Ux
Ibm Aix
Openssl
Red Hat
Suse