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Ubuntu 16.04 ESM: USN-5027-2 Critical: PEAR File Overwrite Issue

ubuntu
Calendar Grey August 4, 2021
Dist Ubuntu Esm H88
Ubuntu Security Alert USN-5028-3 outlines a python3 issue that facilitates directory traversal, creating vulnerabilities for external exploitation.
PEAR could be made to overwrite files as the administrator.

Summary

PEAR could be made to overwrite files as the administrator.

Software Description:

- php-pear: PHP Extension and Application Repository

Details:

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.

Topics%20covered

Topics Covered

security advisory critical remote code execution file overwrite Ubuntu php-pear

Update Instructions

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

Ubuntu 16.04 ESM:
  php-pear                        1:1.10.1+submodules+notgz-6ubuntu0.3+esm1

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

References

https://ubuntu.com/security/notices/USN-5027-2

https://ubuntu.com/security/notices/USN-5027-1

CVE-2021-32610

Severity
critical
Lowest
Low
Medium
High
Critical

August 04, 2021

Topics%20covered

Topics Covered

security advisory critical remote code execution file overwrite Ubuntu php-pear

Package Information

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