=========================================================================Ubuntu Security Notice USN-6112-2
June 05, 2023

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

- Ubuntu 23.04
- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Perl could be made to install modules from untrusted sources.

Software Description:
- perl: Practical Extraction and Report Language

Details:

USN-6112-1 fixed vulnerabilities in Perl. This update provides the
corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu
22.10, and Ubuntu 23.04.

Original advisory details:

  It was discovered that Perl was not properly verifying TLS certificates
  when using CPAN together with HTTP::Tiny to download modules over HTTPS.
  If a remote attacker were able to intercept communications, this flaw
  could potentially be used to install altered modules.

Update instructions:

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

Ubuntu 23.04:
   perl                            5.36.0-7ubuntu0.23.04.1

Ubuntu 22.10:
   perl                            5.34.0-5ubuntu1.2

Ubuntu 22.04 LTS:
   perl                            5.34.0-3ubuntu1.2

Ubuntu 20.04 LTS:
   perl                            5.30.0-9ubuntu0.4

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

References:
   https://ubuntu.com/security/notices/USN-6112-2
   https://ubuntu.com/security/notices/USN-6112-1
   CVE-2023-31484

Package Information:
https://launchpad.net/ubuntu/+source/perl/5.36.0-7ubuntu0.23.04.1
   https://launchpad.net/ubuntu/+source/perl/5.34.0-5ubuntu1.2
   https://launchpad.net/ubuntu/+source/perl/5.34.0-3ubuntu1.2
   https://launchpad.net/ubuntu/+source/perl/5.30.0-9ubuntu0.4