=========================================================================Ubuntu Security Notice USN-3834-2
December 03, 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-3834-1 fixed a vulnerability in perl. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Jayakrishna Menon discovered that Perl incorrectly handled
Perl_my_setenv. An attacker could use this issue to cause Perl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2018-18311)
Eiichi Tsukata 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. (CVE-2018-18313)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
perl 5.14.2-6ubuntu2.9
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3834-2
https://ubuntu.com/security/notices/USN-3834-1
CVE-2018-18311, CVE-2018-18313
