Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : perl vulnerabilities (USN-3478-1)

Medium Nessus Plugin ID 104543

Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

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-2017-12837, CVE-2017-12883).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected perl package.

See Also

https://usn.ubuntu.com/3478-1/

Plugin Details

Severity: Medium

ID: 104543

File Name: ubuntu_USN-3478-1.nasl

Version: 3.7

Type: local

Agent: unix

Published: 2017/11/14

Updated: 2019/09/18

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:perl, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:17.04

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/11/13

Vulnerability Publication Date: 2017/09/19

Reference Information

CVE: CVE-2017-12837, CVE-2017-12883

USN: 3478-1