Debian DSA-2896-1 : openssl - security update

high Nessus Plugin ID 73388

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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.

Plugin Details

Severity: High

ID: 73388

File Name: debian_DSA-2896.nasl

Version: 1.11

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 4/8/2014

Updated: 5/5/2022

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

CVSS v2

Risk Factor: High

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: 4/7/2014

CISA Known Exploited Vulnerability Due Dates: 5/25/2022

Exploitable With

Core Impact

Metasploit (OpenSSL Heartbeat Information Leak)

Reference Information

CVE: CVE-2014-0160

DSA: 2896

Detections

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