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AUSCERT External Security Bulletin Redistribution
USN-5027-2: PEAR vulnerability
5 August 2021
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Overwrite Arbitrary Files -- Remote with User Interaction
CVE Names: CVE-2021-32610
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USN-5027-2: PEAR vulnerability
04 August 2021
PEAR could be made to overwrite files as the administrator.
o Ubuntu 16.04 ESM
o php-pear - PHP Extension and Application Repository
USN-5027-1 fixed a vulnerability in PEAR. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that PEAR incorrectly handled symbolic links in archives.
A remote attacker could possibly use this issue to execute arbitrary code.
The problem can be corrected by updating your system to the following package
o php-pear - 1:1.10.1+submodules+notgz-6ubuntu0.3+esm1
Available with UA Infra or UA Desktop
In general, a standard system update will make all the necessary changes.
o USN-5027-1 : php-pear
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