USN-3834-2: Perl vulnerabilities

03 December 2018

Several security issues were fixed in Perl.

Releases

Packages

  • 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

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

Related notices

  • USN-3834-1: libperl-dev, libperl5.22, perl-modules-5.26, libperl5.26, perl-debug, libcgi-fast-perl, perl, perl-base, perl-doc, libperl5.18, perl-modules-5.22, perl-modules