Detections
Analytics

Ubuntu 12.04 LTS / 12.10 / 13.04 / 13.10 : openssl vulnerabilities (USN-2079-1)

medium Nessus Plugin ID 71896

Language:

Synopsis

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

Description

Anton Johansson discovered that OpenSSL incorrectly handled certain invalid TLS handshakes. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service.
(CVE-2013-4353)

Ron Barber discovered that OpenSSL used an incorrect data structure to obtain a version number. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service.
(CVE-2013-6449)

Dmitry Sobinov discovered that OpenSSL incorrectly handled certain DTLS retransmissions. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2013-6450)

This update also disables the default use of the RdRand feature of certain Intel CPUs as the sole source of entropy.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected libssl1.0.0 package.

See Also

https://usn.ubuntu.com/2079-1/

Plugin Details

Severity: Medium

ID: 71896

File Name: ubuntu_USN-2079-1.nasl

Version: 1.12

Type: local

Agent: unix

Published: 1/10/2014

Updated: 1/19/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:13.04, p-cpe:/a:canonical:ubuntu_linux:libssl1.0.0, cpe:/o:canonical:ubuntu_linux:12.10, cpe:/o:canonical:ubuntu_linux:13.10, cpe:/o:canonical:ubuntu_linux:12.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/9/2014

Vulnerability Publication Date: 12/23/2013

Reference Information

CVE: CVE-2013-4353, CVE-2013-6449, CVE-2013-6450

BID: 64530, 64618, 64691

USN: 2079-1