Debian DSA-2896-1 : openssl - security update

High Nessus Plugin ID 73388

Synopsis

The remote Debian host is missing a security-related update.

Description

A vulnerability has been discovered in OpenSSL's support for the TLS/DTLS Heartbeat extension. Up to 64KB of memory from either client or server can be recovered by an attacker. This vulnerability might allow an attacker to compromise the private key and other sensitive data in memory.

All users are urged to upgrade their openssl packages (especially libssl1.0.0) and restart applications as soon as possible.

According to the currently available information, private keys should be considered as compromised and regenerated as soon as possible. More details will be communicated at a later time.

The oldstable distribution (squeeze) is not affected by this vulnerability.

Solution

Upgrade the openssl packages.

For the stable distribution (wheezy), this problem has been fixed in version 1.0.1e-2+deb7u5.

See Also

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=743883

http://www.debian.org/security/2014/dsa-2896

Plugin Details

Severity: High

ID: 73388

File Name: debian_DSA-2896.nasl

Version: Revision: 1.8

Type: local

Agent: unix

Published: 2014/04/08

Updated: 2014/06/14

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:openssl, cpe:/o:debian:debian_linux:7.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2014/04/07

Exploitable With

Core Impact

Metasploit (OpenSSL Heartbeat Information Leak)

Reference Information

CVE: CVE-2014-0160

DSA: 2896