CVE-2010-3436

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-11-09 · updated 2026-06-16
Weakness: CWE-264

Description

fopen_wrappers.c in PHP 5.3.x through 5.3.3 might allow remote attackers to bypass open_basedir restrictions via vectors related to the length of a filename.

Affected products

Canonical Ubuntu Linux: 6.06, 8.04, 9.10, 10.04, 10.10
PHP: from 5.2.0 before 5.2.15; from 5.3.0 before 5.3.4 — fixed in 5.2.15, 5.3.4

How to fix

Upgrade to a fixed version: PHP 5.2.15, 5.3.4. Check the vendor advisory for mitigations.

References

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://secunia.com/advisories/42729
http://secunia.com/advisories/42812
http://security-tracker.debian.org/tracker/CVE-2010-3436
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.490619
http://support.apple.com/kb/HT4581
http://support.apple.com/kb/HT5002
http://svn.php.net/viewvc/php/php-src/trunk/main/fopen_wrappers.c?r1=303824&r2=303823&pathrev=303824
http://svn.php.net/viewvc?view=revision&revision=303824
http://www.mandriva.com/security/advisories?name=MDVSA-2010:218
http://www.php.net/ChangeLog-5.php

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