CVE-2009-3558 Security feature bypass in n/a

Medium 6.8 Published Updated

Attackers can bypass open_basedir restrictions to create FIFO files, potentially allowing the creation of .htaccess files to modify server behavior.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2009-3558?

CVE-2009-3558 is a medium-severity vulnerability in Php Php, published on 23 Nov 2009. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The posix_mkfifo 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 open_basedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file.

Weakness: CWE-264

Which versions are affected by CVE-2009-3558?

It affects 1 product.

Products include Php Php.

How do I fix CVE-2009-3558?

No fix has been published for CVE-2009-3558 yet. Limit exposure of the affected software until one is available.

Is CVE-2009-3558 being exploited?

There is no known exploitation of CVE-2009-3558 in the wild and no public exploit code.

All Php Php vulnerabilities

Sources

Also known as GHSA-mjxv-j6j2-hpmv.

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