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Mandriva Linux Security Advisory 2012-007

Posted Jan 17, 2012

Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-007 - The DTLS implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f performs a MAC check only if certain padding is valid, which makes it easier for remote attackers to recover plaintext via a padding oracle attack. Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check. The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer. The Server Gated Cryptography implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly handle handshake restarts, which allows remote attackers to cause a denial of service via unspecified vectors. The GOST ENGINE in OpenSSL before 1.0.0f does not properly handle invalid parameters for the GOST block cipher, which allows remote attackers to cause a denial of service via crafted data from a TLS client. The updated packages have been patched to correct these issues.

tags | advisory, remote, denial of service

systems | linux, mandriva

advisories | CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4619, CVE-2012-0027

SHA-256 | 33297fff20727775628ebfb8e80a51c11d2cb085c4af9ee958c7cbcbd758dc6e

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