Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : liblouis vulnerabilities (USN-3408-1)

Medium Nessus Plugin ID 102956


The remote Ubuntu host is missing one or more security-related patches.


It was discovered that an illegal address access can be made in Liblouis. A remote attacker can take advantange of this to access sensitive information. (CVE-2017-13738, CVE-2017-13744)

It was discovered a heap-based buffer overflow that causes bytes out-of-bounds write in Liblouis. A remote attacker can use this to denial of service or remote code execution. (CVE-2017-13739)

It was discovered a stack-based buffer overflow in Liblouis. A remote attacker can use this to denial of service or possibly unspecified other impact. (CVE-2017-13740, CVE-2017-13742).

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.


Update the affected packages.

Plugin Details

Severity: Medium

ID: 102956

File Name: ubuntu_USN-3408-1.nasl

Version: $Revision: 3.3 $

Type: local

Agent: unix

Published: 2017/09/05

Modified: 2018/01/30

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 6.8

Temporal Score: 5.3

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

Temporal Vector: CVSS2#E:POC/RL:OF/RC:ND


Base Score: 8.8

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:liblouis-bin, p-cpe:/a:canonical:ubuntu_linux:liblouis12, p-cpe:/a:canonical:ubuntu_linux:liblouis2, p-cpe:/a:canonical:ubuntu_linux:liblouis9, p-cpe:/a:canonical:ubuntu_linux:python-louis, p-cpe:/a:canonical:ubuntu_linux:python3-louis, 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: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/09/04

Reference Information

CVE: CVE-2017-13738, CVE-2017-13739, CVE-2017-13740, CVE-2017-13742, CVE-2017-13744

OSVDB: 164252, 164253, 164255, 164260

USN: 3408-1