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USN-3478-1: Perl vulnerabilities

Unix Server vom 13.11.2017 um 15:51 Uhr | Quelle ubuntu.com

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

CVE-2017-12837, CVE-2017-12883

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