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USN-5125-1: PHP vulnerability

27 October 2021

PHP-PFM in PHP could be made to run program as an administrator if it received specially crafted input.

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Releases

Packages

  • php5 - HTML-embedded scripting language interpreter
  • php7.0 - HTML-embedded scripting language interpreter
  • php7.2 - HTML-embedded scripting language interpreter
  • php7.4 - HTML-embedded scripting language interpreter
  • php8.0 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP-FPM in PHP incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 21.10
Ubuntu 21.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.

References

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Further reading