Ubuntu 12.04 LTS / 12.10 / 13.10 : openssl vulnerabilities (USN-2165-1)

Ubuntu Security Notice (C) 2014 Canonical, Inc. / NASL script (C) 2014 Tenable Network Security, Inc.

Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Neel Mehta discovered that OpenSSL incorrectly handled memory in the
TLS heartbeat extension. An attacker could use this issue to obtain up
to 64k of memory contents from the client or server, possibly leading
to the disclosure of private keys and other sensitive information.

Yuval Yarom and Naomi Benger discovered that OpenSSL incorrectly
handled timing during swap operations in the Montgomery ladder
implementation. An attacker could use this issue to perform
side-channel attacks and possibly recover ECDSA nonces.

Solution :

Update the affected libssl1.0.0 package.

Risk factor :

High / CVSS Base Score : 9.4
CVSS Temporal Score : 8.2
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 73402 ()

Bugtraq ID: 66363

CVE ID: CVE-2014-0076

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