CVE-2019-17544: 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

Critical severity · published Oct 14, 2019

CVE-2019-17544

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

9.1

CVSS

3.3%

EPSS

On KEV

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)3.3% · higher than 88% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Aspell · Gnu

before 0.60.8 · source: NVD

Ubuntu Linux · Canonical

12.04; 14.04; 16.04; 18.04; 19.04 · source: NVD

Affected product

Ubuntu Linux

Canonical

All Ubuntu Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-17544

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-17544

Third Party Advisory

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16109

Patch

https://github.com/GNUAspell/aspell/commit/80fa26c74279fced8d778351cff19d1d8f44fe4e

Third Party Advisory

https://github.com/GNUAspell/aspell/compare/rel-0.60.7...rel-0.60.8

lists.debian.org

https://lists.debian.org/debian-lts-announce/2019/10/msg00027.html

lists.debian.org

https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html

Third Party Advisory

https://usn.ubuntu.com/4155-1/