Detections
Analytics
Ubuntu 12.04 LTS / 12.10 : ruby1.9.1 vulnerabilities (USN-1733-1)
high Nessus Plugin ID 64799
Language:
Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
Jean-Philippe Aumasson discovered that Ruby incorrectly generated predictable hash values. An attacker could use this issue to generate hash collisions and cause a denial of service. (CVE-2012-5371)Evgeny Ermakov discovered that documentation generated by rdoc is vulnerable to a cross-site scripting issue. With cross-site scripting vulnerabilities, if a user were tricked into viewing a specially crafted page, a remote attacker could exploit this to modify the contents, or steal confidential data, within the same domain.
(CVE-2013-0256)
Thomas Hollstegge and Ben Murphy discovered that the JSON implementation in Ruby incorrectly handled certain crafted documents.
An attacker could use this issue to cause a denial of service or bypass certain protection mechanisms. (CVE-2013-0269).
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 libruby1.9.1 and / or ruby1.9.1 packages.See Also
Plugin Details
Severity: High
ID: 64799
File Name: ubuntu_USN-1733-1.nasl
Version: 1.8
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 2/22/2013
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: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Vulnerability Information
CPE: 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, cpe:/o:canonical:ubuntu_linux:12.10
Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
Exploit Ease: No known exploits are available
Patch Publication Date: 2/21/2013
Vulnerability Publication Date: 11/28/2012
Reference Information
CVE: CVE-2012-5371, CVE-2013-0256, CVE-2013-0269
USN: 1733-1