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Ubuntu 12.04 LTS / 12.10 / 13.04 / 13.10 : ruby1.8, ruby1.9.1 vulnerabilities (USN-2035-1)

medium Nessus Plugin ID 71139

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Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

Charlie Somerville discovered that Ruby incorrectly handled floating point number conversion. An attacker could possibly use this issue with an application that converts text to floating point numbers to cause the application to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2013-4164)

Vit Ondruch discovered that Ruby did not perform taint checking for certain functions. An attacker could possibly use this issue to bypass certain intended restrictions. (CVE-2013-2065).

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 packages.

See Also

https://usn.ubuntu.com/2035-1/

Plugin Details

Severity: Medium

ID: 71139

File Name: ubuntu_USN-2035-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/29/2013

Updated: 9/19/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libruby1.8, cpe:/o:canonical:ubuntu_linux:13.04, cpe:/o:canonical:ubuntu_linux:12.10, cpe:/o:canonical:ubuntu_linux:13.10, p-cpe:/a:canonical:ubuntu_linux:libruby1.9.1, p-cpe:/a:canonical:ubuntu_linux:ruby1.9.1, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ruby1.8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/27/2013

Vulnerability Publication Date: 11/2/2013

Reference Information

CVE: CVE-2013-2065, CVE-2013-4164

BID: 59881, 63873

USN: 2035-1