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

high Nessus Plugin ID 73402
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.
(CVE-2014-0160)

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.
(CVE-2014-0076).

Solution

Update the affected libssl1.0.0 package.

Plugin Details

Severity: High

ID: 73402

File Name: ubuntu_USN-2165-1.nasl

Version: 1.11

Type: local

Agent: unix

Published: 4/8/2014

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.8

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

Temporal Vector: E:F/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libssl1.0.0, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:12.10, cpe:/o:canonical:ubuntu_linux:13.10

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2014

Exploitable With

Core Impact

Metasploit (OpenSSL Heartbeat Information Leak)

Reference Information

CVE: CVE-2014-0076, CVE-2014-0160

BID: 66363

USN: 2165-1