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Ubuntu Security Notice USN-5033-1

Ubuntu Security Notice USN-5033-1
Posted Aug 10, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5033-1 - It was discovered that the Perl Encode library incorrectly handled paths. A local attacker could possibly use this issue to trick the library into executing arbitrary code from the current working directory.

tags | advisory, arbitrary, local, perl
systems | linux, ubuntu
advisories | CVE-2021-36770
SHA-256 | 43bf451f88cc22741071b9ad5dbfe1b72d0c07e7068fce93827a8f638e309c17

Ubuntu Security Notice USN-5033-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5033-1
August 09, 2021

perl vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.04

Summary:

Perl could be made to run arbitrary programs.

Software Description:
- perl: Practical Extraction and Report Language

Details:

It was discovered that the Perl Encode library incorrectly handled paths. A
local attacker could possibly use this issue to trick the library into
executing arbitrary code from the current working directory.

Update instructions:

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

Ubuntu 21.04:
perl 5.32.1-3ubuntu2.1

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

References:
https://ubuntu.com/security/notices/USN-5033-1
CVE-2021-36770

Package Information:
https://launchpad.net/ubuntu/+source/perl/5.32.1-3ubuntu2.1

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