CVE-2018-17294 Information

Description

The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string’s length allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html http://www.securityfocus.com/bid/105511 https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e https://github.com/liblouis/liblouis/issues/635 https://usn.ubuntu.com/3782-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5