CVE-2018-17294
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of service disruption.
- Exploit odds
- 2.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.7% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.7% · EPSS, next 30 days
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Modified
Affected
- Liblouis < 3.7.0
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Opensuse Leap 15.0
Attack profile CVSS 3.0 · 6.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-17294.md and follow it. Check whether this project is affected by CVE-2018-17294. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e
- https://github.com/liblouis/liblouis/issues/635
- https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e
- https://github.com/liblouis/liblouis/issues/635
References
- 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/
- 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/