Fariskhi Vidyan discovered that the PEAR Archive_Tar package for handling tar files in PHP is prone to a PHP object injection vulnerability, potentially allowing a remote attacker to execute arbitrary code.

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Debian Security Advisory DSA-4378-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
January 30, 2019                      https://www.debian.org/security/faq
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Package        : php-pear
CVE ID         : CVE-2018-1000888
Debian Bug     : 919147

Fariskhi Vidyan discovered that the PEAR Archive_Tar package for
handling tar files in PHP is prone to a PHP object injection
vulnerability, potentially allowing a remote attacker to execute
arbitrary code.

For the stable distribution (stretch), this problem has been fixed in
version 1:1.10.1+submodules+notgz-9+deb9u1.

We recommend that you upgrade your php-pear packages.

For the detailed security status of php-pear please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/php-pear

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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