Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.1195
php-pear security update
9 April 2021
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AusCERT Security Bulletin Summary
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Product: php-pear
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Increased Privileges -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-36193
Reference: ESB-2021.0257
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html
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Debian LTS Advisory DLA-2621-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Sylvain Beucler
April 08, 2021 https://wiki.debian.org/LTS
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Package : php-pear
Version : 1:1.10.1+submodules+notgz-9+deb9u3
CVE ID : CVE-2020-36193
Debian Bug : 980428
A vulnerability was discovered in php-pear, which provides core
packages from the PHP Extension and Application Repository. Tar.php in
Archive_Tar allows write operations with Directory Traversal due to
inadequate checking of symbolic links, a related issue to
CVE-2020-28948. An attacker could escalate privileges by overwriting
files outside the extraction directory through a crafted .tar archive.
For Debian 9 stretch, this problem has been fixed in version
1:1.10.1+submodules+notgz-9+deb9u3.
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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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