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Ubuntu 23.04 USN-6112-2 Critical: Perl Install Modules Issue

ubuntu
Calendar Grey June 5, 2023
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-6113-1 addresses a significant Python vulnerability influencing various versions. Explore for further information.
Perl could be made to install modules from untrusted sources.

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.

Topics%20covered

Topics Covered

security advisory critical ubuntu untrusted sources perl issue

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

Severity
critical
Lowest
Low
Medium
High
Critical

June 05, 2023

Topics%20covered

Topics Covered

security advisory critical ubuntu untrusted sources perl issue

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

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