Ubuntu 12.04 LTS / 14.04 LTS / 14.10 : ruby1.8, ruby1.9.1, ruby2.0, ruby2.1 vulnerability (USN-2412-1)

medium Nessus Plugin ID 79382

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VPR Score: 3.6

Synopsis

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

Description

Tomas Hoger discovered that Ruby incorrectly handled XML entity expansion. An attacker could use this flaw to cause Ruby to consume large amounts of resources, resulting in a denial of service.

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/2412-1/

Plugin Details

Severity: Medium

ID: 79382

File Name: ubuntu_USN-2412-1.nasl

Version: 1.11

Type: local

Agent: unix

Published: 11/21/2014

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 3.6

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: 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:libruby2.0, p-cpe:/a:canonical:ubuntu_linux:libruby2.1, p-cpe:/a:canonical:ubuntu_linux:ruby1.8, p-cpe:/a:canonical:ubuntu_linux:ruby1.9.1, p-cpe:/a:canonical:ubuntu_linux:ruby2.0, p-cpe:/a:canonical:ubuntu_linux:ruby2.1, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:14.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/20/2014

Vulnerability Publication Date: 11/21/2014

Reference Information

CVE: CVE-2014-8090

USN: 2412-1