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

high Nessus Plugin ID 73402

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: 1.12

Type: local

Agent: unix

Published: 4/8/2014

Updated: 5/5/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.8

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

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/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

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-2014-0076, CVE-2014-0160

BID: 66363

USN: 2165-1