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Ubuntu Security Notice USN-3478-2

Ubuntu Security Notice USN-3478-2
Posted Nov 14, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3478-2 - USN-3478-1 fixed two vulnerabilities in Perl. This update provides the corresponding update for Ubuntu 12.04 ESM. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, perl, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-12883
MD5 | 6fc7e5e039d31a5a2672a0fdaf7f7380

Ubuntu Security Notice USN-3478-2

Change Mirror Download

===========================================================================
Ubuntu Security Notice USN-3478-2
November 13, 2017

perl vulnerability
===========================================================================

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

- Ubuntu 12.04 ESM

Summary:

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

Software Description:
- perl: Practical Extraction and Report Language

Details:

USN-3478-1 fixed two vulnerabilities in Perl. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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-2017-12883)

Update instructions:

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

Ubuntu 12.04 ESM:
perl=C2=A05.14.2-6ubuntu2.6

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

References:
https://www.ubuntu.com/usn/usn-3478-2
https://www.ubuntu.com/usn/usn-3478-1
CVE-2017-12883

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