USN-3834-2: Perl vulnerabilities

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-3834-2: Perl vulnerabilities

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