Published: 21/09/2018 Updated: 18/04/2019

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8

VMScore: 383

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

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

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liblouis liblouis
canonical ubuntu linux 14.04
canonical ubuntu linux 16.04
canonical ubuntu linux 18.04
opensuse leap 15.0

Several security issues were fixed in Liblouis ...

The matchCurrentInput function inside lou_translateStringc of Liblouis prior to 37 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 ...

CWE-125 https://github.com/liblouis/liblouis/issues/635 https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e https://usn.ubuntu.com/3782-1/http://www.securityfocus.com/bid/105511 http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html https://usn.ubuntu.com/3782-1/https://nvd.nist.gov

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CVE-2018-17294

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