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USN-3857-1: PEAR vulnerability

14 January 2019

PEAR could be made to run programs if it processed a specially crafted file.

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Releases

Packages

  • php-pear - PHP Extension and Application Repository

Details

Fariskhi Vidyan discovered that PEAR Archive_Tar incorrectly handled
certain archive paths. A remote attacker could possibly use this issue to
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 18.10
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading