FYI:

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PHP Suhosin Extension Transparent Cookie Encryption Buffer Overflow Vulnerability

Description

A vulnerability has been reported in the Suhosin extension for PHP, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the transparent cookie encryption. If cookie encryption is enabled (disabled by default), this can be exploited to cause a stack-based buffer overflow by e.g. sending specially crafted input to an affected script.

Successful exploitation may allow execution of arbitrary code, but e.g. requires an application to pass untrusted input to the "header()" function when setting a cookie and a weak Suhosin configuration (e.g. multiheader option enabled and NULL-byte protection disabled, both not default).

The vulnerability is reported in versions prior to 0.9.33.

Solution
Update to version 0.9.33.

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This does not effect you if you are using an ASL kernel (any version) by way of the PaX security policy.

Scott:

Thanks. Figured it wasn't an issue in ASL but figured the Atomic suhosin rpm would need an update for non-ASL systems using said package.

All the more reason to run ASL, you never have to worry about things like this.

And the update, 0.9.33 is going to the mirrors now.

As always thanks for the report, security advisories are very welcome!

Great, thanks.