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Sicherheit: Mehrere Probleme in Perl
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Perl
ID: USN-2916-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.10
Datum: Mi, 2. März 2016, 16:31
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7422
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2381
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4330
Applikationen: Perl

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-2916-1
March 02, 2016

perl vulnerabilities
==========================================================================

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

- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in Perl.

Software Description:
- perl: Practical Extraction and Report Language

Details:

It was discovered that Perl incorrectly handled certain regular expressions
with an invalid backreference. An attacker could use this issue to cause
Perl to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2013-7422)

Markus Vervier discovered that Perl incorrectly handled nesting in the
Data::Dumper module. An attacker could use this issue to cause Perl to
consume memory and crash, resulting in a denial of service. (CVE-2014-4330)

Stephane Chazelas discovered that Perl incorrectly handled duplicate
environment variables. An attacker could possibly use this issue to bypass
the taint protection mechanism. (CVE-2016-2381)

Update instructions:

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

Ubuntu 15.10:
perl 5.20.2-6ubuntu0.2

Ubuntu 14.04 LTS:
perl 5.18.2-2ubuntu1.1

Ubuntu 12.04 LTS:
perl 5.14.2-6ubuntu2.5

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

References:
http://www.ubuntu.com/usn/usn-2916-1
CVE-2013-7422, CVE-2014-4330, CVE-2016-2381

Package Information:
https://launchpad.net/ubuntu/+source/perl/5.20.2-6ubuntu0.2
https://launchpad.net/ubuntu/+source/perl/5.18.2-2ubuntu1.1
https://launchpad.net/ubuntu/+source/perl/5.14.2-6ubuntu2.5



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