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Sicherheit: Mehrere Probleme in Perl (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Perl (Aktualisierung)
ID: USN-3625-2
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 ESM
Datum: Mi, 18. April 2018, 07:41
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6913
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6512
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6185
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8853
Applikationen: Perl
Update von: Mehrere Probleme in Perl

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3625-2
April 17, 2018

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

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in Perl.

Software Description:
- perl: Practical Extraction and Report Language

Details:

USN-3625-1 fixed a vulnerability in Perl. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Perl incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause Perl
to hang, resulting in a denial of service. (CVE-2015-8853)

It was discovered that Perl incorrectly loaded libraries from the
current working directory. A local attacker could possibly use this
issue to execute arbitrary code. (CVE-2016-6185)

It was discovered that Perl incorrectly handled the rmtree and
remove_tree functions. A local attacker could possibly use this issue
to set the mode on arbitrary files. (CVE-2017-6512)

GwanYeong Kim discovered that Perl incorrectly handled certain data
when using the pack function. An attacker could use this issue to
cause Perl to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2018-6913)

Update instructions:

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

Ubuntu 12.04 ESM:
perl 5.14.2-6ubuntu2.7

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

References:
https://usn.ubuntu.com/usn/usn-3625-2
https://usn.ubuntu.com/usn/usn-3625-1
CVE-2015-8853, CVE-2016-6185, CVE-2017-6512, CVE-2018-6913
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