USN-3478-1: Perl vulnerabilities

Ubuntu Security Notice USN-3478-1

13th November, 2017

perl vulnerabilities

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

• Ubuntu 17.04
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary

Perl could be made to crash if it received specially crafted input.

Software description

• perl - Practical Extraction and Report Language

Details

Jakub Wilk discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2017-12837, CVE-2017-12883)

Update instructions

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

Ubuntu 17.04:

perl 5.24.1-2ubuntu1.1

Ubuntu 16.04 LTS:

perl 5.22.1-9ubuntu0.2

Ubuntu 14.04 LTS:

perl 5.18.2-2ubuntu1.3

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2017-12837, CVE-2017-12883

from Ubuntu Security Notices http://ift.tt/2zUZEoO