Out-of-bounds Read in Liblouis
CVE-2018-17294
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.
Vulnerability class: Buffer Overflow
EPSS: 0.027 (84.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Liblouis
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Opensuse Leap — versions 15.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2018-17294?
- CVE-2018-17294 is a medium-severity vulnerability in Liblouis, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-09-21.
- How severe is CVE-2018-17294?
- Medium severity. CVSS v3 base score is 6.5 out of 10.