Permissions, Privileges, and Access Controls in PHP - CVE-2010-3065

 

Permissions, Privileges, and Access Controls in PHP - CVE-2010-3065

Published: December 10, 2010 / Updated: June 8, 2025


Vulnerability identifier: #VU110292
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2010-3065
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PHP Group
Affected software:
PHP

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to corrupt data.

The default session serializer in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 does not properly handle the PS_UNDEF_MARKER marker, which allows context-dependent attackers to modify arbitrary session variables via a crafted session variable name.


How to mitigate CVE-2010-3065

Install update from vendor's website.

Sources