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Ubuntu 8.04 LTS / 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : php5 vulnerability (USN-1437-1)

high Nessus Plugin ID 59016

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Synopsis

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

Description

It was discovered that PHP, when used as a stand alone CGI processor for the Apache Web Server, did not properly parse and filter query strings. This could allow a remote attacker to execute arbitrary code running with the privilege of the web server. Configurations using mod_php5 and FastCGI were not vulnerable.

This update addresses the issue when the PHP CGI interpreter is configured using mod_cgi and mod_actions as described in /usr/share/doc/php5-cgi/README.Debian.gz; however, if an alternate configuration is used to enable PHP CGI processing, it should be reviewed to ensure that command line arguments cannot be passed to the PHP interpreter. Please see CVE-2012-2311 for more details and potential mitigation approaches.

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 php5-cgi package.

See Also

https://usn.ubuntu.com/1437-1/

Plugin Details

Severity: High

ID: 59016

File Name: ubuntu_USN-1437-1.nasl

Version: 1.17

Type: local

Agent: unix

Published: 5/7/2012

Updated: 3/28/2022

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

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:10.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:php5-cgi, cpe:/o:canonical:ubuntu_linux:11.04, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:8.04:-:lts, cpe:/o:canonical:ubuntu_linux:11.10

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/4/2012

Vulnerability Publication Date: 5/11/2012

CISA Known Exploited Vulnerability Due Dates: 4/15/2022

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (PHP CGI Argument Injection)

Reference Information

CVE: CVE-2012-1823, CVE-2012-2311

USN: 1437-1