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Ubuntu 18.04 LTS USN-6112-1 Moderate: Perl Module Install Risk

ubuntu
Calendar Grey May 29, 2023
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-6113-1 addresses a critical flaw in Python that could allow unauthorized remote code execution.
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:

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 software update Ubuntu perl TLS issue module installation untrusted source

Update Instructions

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

Ubuntu 18.04 LTS:
   perl                            5.26.1-6ubuntu0.7

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   perl                            5.22.1-9ubuntu0.9+esm2

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
   perl                            5.18.2-2ubuntu1.7+esm5

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

References

  https://ubuntu.com/security/notices/USN-6112-1

  CVE-2023-31484

Severity
important
Lowest
Low
Medium
High
Critical

May 29, 2023

Topics%20covered

Topics Covered

security advisory software update Ubuntu perl TLS issue module installation untrusted source

Package Information

  https://launchpad.net/ubuntu/+source/perl/5.26.1-6ubuntu0.7

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