CVE-2009-3558: Medium severity php vulnerability

Published Nov 23, 2009
·
Updated

The posixmkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass openbasedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file.

Affected Software

63 affected components
PHP PHP=4.4.9
PHP PHP=3.0
PHP PHP=4.0-beta1
PHP PHP=3.0.5
PHP PHP=3.0.11
PHP PHP=4.0-beta4
PHP PHP=4.2.0
PHP PHP=5.1.1
PHP PHP=3.0.1
PHP PHP=3.0.2
PHP PHP=4.1.0
PHP PHP=4.0.4
PHP PHP=4.3.0
PHP PHP=4.0.5
PHP PHP=3.0.8
PHP PHP=3.0.13
PHP PHP=5.2.5
PHP PHP=4.3.7
PHP PHP=4.2.2
PHP PHP<=5.2.10
PHP PHP=4.4.2
PHP PHP=3.0.7
PHP PHP=4.3.2
PHP PHP=4.3.11
PHP PHP=4.0.0
PHP PHP=3.0.6
PHP PHP=3.0.17
PHP PHP=4.0.7
PHP PHP=4.0.2
PHP PHP=2.0
PHP PHP=4.1.1
PHP PHP=3.0.15
PHP PHP=3.0.16
PHP PHP=5.2.6
PHP PHP=5.3.0
PHP PHP=5.0.3
PHP PHP=3.0.10
PHP PHP=3.0.4
PHP PHP=4.2.3
PHP PHP=4.0
PHP PHP=4.0-beta2
PHP PHP=2.0b10
PHP PHP=4.4.8
PHP PHP=4.0.6
PHP PHP=4.1.2
PHP PHP=4.3.1
PHP PHP=3.0.18
PHP PHP=4.0-beta_4_patch1
PHP PHP=4.3.10
PHP PHP=4.2.1
PHP PHP=4.0.1
PHP PHP=1.0
PHP PHP=3.0.12
PHP PHP=4.0-beta3
PHP PHP=5.2.1
PHP PHP=4.0.3
PHP PHP=3.0.14
PHP PHP=3.0.9
PHP PHP=3.0.3
PHP PHP=5.0.0-beta4
PHP PHP=5.0.0
PHP PHP=4.4.7
PHP PHP=4.4.9

Remediation

Patch Available

http://svn.php.net/viewvc?view=revision&revision=288943

Patch Available

http://www.openwall.com/lists/oss-security/2009/11/20/2

Patch Available

http://www.openwall.com/lists/oss-security/2009/11/20/3

Patch Available

http://www.openwall.com/lists/oss-security/2009/11/20/5

Event History

Nov 23, 2009
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2009-3558?

CVE-2009-3558 has a medium severity rating, allowing attackers to bypass open_basedir restrictions.

2

How do I fix CVE-2009-3558?

To fix CVE-2009-3558, upgrade PHP to version 5.2.12 or later, or 5.3.1 or later.

3

What versions of PHP are affected by CVE-2009-3558?

CVE-2009-3558 affects PHP versions prior to 5.2.12 and 5.3.1, including 4.x and 3.x versions.

4

Is CVE-2009-3558 exploitable in production environments?

Yes, CVE-2009-3558 is exploitable in production environments where open_basedir restrictions are in place.

5

What types of attacks can CVE-2009-3558 facilitate?

CVE-2009-3558 can facilitate the creation of FIFO files, allowing unauthorized file access or modification.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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