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.
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Ubuntu Security Notice USN-5033-1
August 09, 2021
perl vulnerability
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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