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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:P/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
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.htmlExploit
- 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.htmlExploit
- 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
Timeline
- Published
- Aug 20, 2010
- Last modified
- Jun 16, 2026
- NVD status
- Modified