USN-3478-1: Perl vulnerabilities

Publication date

13 November 2017

Overview

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


Packages

  • 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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.04 zesty perl –  5.24.1-2ubuntu1.1
16.04 xenial perl –  5.22.1-9ubuntu0.2
14.04 trusty perl –  5.18.2-2ubuntu1.3

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