Input validation error in PHP - CVE-2006-7243
Published: January 18, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45434
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2006-7243
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
PHP before 5.3.4 accepts the character in a pathname, which might allow context-dependent attackers to bypass intended access restrictions by placing a safe file extension after this character, as demonstrated by .php .jpg at the end of the argument to the file_exists function.
Affected software
PHP
Gentoo Linux
Fedora
Slackware Linux
php-pecl-Fileinfo
php-pecl-zip
php-extras
dev-lang/php
php
Gentoo Linux
Fedora
Slackware Linux
php-pecl-Fileinfo
php-pecl-zip
php-extras
dev-lang/php
php
How to mitigate CVE-2006-7243
Install update from vendor's website.
php-pecl-Fileinfo - update to 1.0.4-3.el5
php-pecl-zip - update to 1.8.10-3.el5
php-extras - update to 5.1.6-6.el5
dev-lang/php - update to 5.3.8
php - addressed in versions 5.6.9-1.fc21, 5.6.9-1.fc22
php-pecl-zip - update to 1.8.10-3.el5
php-extras - update to 5.1.6-6.el5
dev-lang/php - update to 5.3.8
php - addressed in versions 5.6.9-1.fc21, 5.6.9-1.fc22
External References
- http://bugs.php.net/39863
- http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158616.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158915.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/159031.html
- http://marc.info/?l=bugtraq&m=132871655717248&w=2
- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://openwall.com/lists/oss-security/2010/11/18/4
- http://openwall.com/lists/oss-security/2010/11/18/5
- http://openwall.com/lists/oss-security/2010/12/09/10
- http://openwall.com/lists/oss-security/2010/12/09/11
- http://openwall.com/lists/oss-security/2010/12/09/9
- http://rhn.redhat.com/errata/RHSA-2013-1307.html
- http://rhn.redhat.com/errata/RHSA-2013-1615.html
- http://rhn.redhat.com/errata/RHSA-2014-0311.html
- http://secunia.com/advisories/55078
- http://support.apple.com/kb/HT4581
- http://svn.php.net/viewvc?view=revision&revision=305412
- http://svn.php.net/viewvc?view=revision&revision=305507
- http://www.madirish.net/?article=436
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:254
- http://www.php.net/archive/2010.php#id2010-12-10-1
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/releases/5_3_4.php
- http://www.securityfocus.com/bid/44951
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12569