What’s Vulnerable › Vulnerabilities

CVE-2010-3065

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-08-20 · updated 2026-06-16
• Weakness: CWE-264

Description

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.

Affected products

• PHP: 5.2.0, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 5.2.5 (+11)

References

• http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
• http://php-security.org/2010/05/31/mops-2010-060-php-session-serializer-session-data-injection-vulnerability/index.html
• http://secunia.com/advisories/42410
• http://www.debian.org/security/2010/dsa-2089
• http://www.redhat.com/support/errata/RHSA-2010-0919.html
• http://www.vupen.com/english/advisories/2010/3081
• http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
• http://php-security.org/2010/05/31/mops-2010-060-php-session-serializer-session-data-injection-vulnerability/index.html
• http://secunia.com/advisories/42410
• http://www.debian.org/security/2010/dsa-2089

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