CVE-2019-17544
What it is
libaspell.a in GNU Aspell before 0.60.8 has a stack-based buffer over-read in acommon::unescape in common/getdata.cpp via an isolated \ character.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, service disruption.
- Exploit odds
- 3.3% 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: 3.3% in the next 30 days (EPSS).
- Severity: 9.1 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.3% · EPSS, next 30 days
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Modified
Affected
- Gnu Aspell < 0.60.8
- Canonical Ubuntu Linux 12.04
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Canonical Ubuntu Linux 19.04
Attack profile CVSS 3.1 · 9.1
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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-2019-17544.md and follow it. Check whether this project is affected by CVE-2019-17544. 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/GNUAspell/aspell/commit/80fa26c74279fced8d778351cff19d1d8f44fe4e
- https://github.com/GNUAspell/aspell/commit/80fa26c74279fced8d778351cff19d1d8f44fe4e
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16109
- https://github.com/GNUAspell/aspell/commit/80fa26c74279fced8d778351cff19d1d8f44fe4e
- https://github.com/GNUAspell/aspell/compare/rel-0.60.7...rel-0.60.8
- https://lists.debian.org/debian-lts-announce/2019/10/msg00027.html
- https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html
- https://usn.ubuntu.com/4155-1/
- https://usn.ubuntu.com/4155-2/
- https://www.debian.org/security/2021/dsa-4948
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16109
- https://github.com/GNUAspell/aspell/commit/80fa26c74279fced8d778351cff19d1d8f44fe4e
- https://github.com/GNUAspell/aspell/compare/rel-0.60.7...rel-0.60.8
- https://lists.debian.org/debian-lts-announce/2019/10/msg00027.html
- https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html
- https://usn.ubuntu.com/4155-1/
- https://usn.ubuntu.com/4155-2/
- https://www.debian.org/security/2021/dsa-4948