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:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3478-1: Perl vulnerabilities
