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

Medium Nessus Plugin ID 71139

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: 1.6

Type: local

Agent: unix

Published: 2013/11/29

Updated: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.8

Temporal Score: 5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

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

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2013/11/27

Reference Information

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

BID: 59881, 63873

USN: 2035-1