CVE-2019-17544 : libaspell.a in GNU Aspell before 0.60.8 has a stack-based buffer over-read in ac

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.

Published 2019-10-14 02:15:11

Updated 2021-08-02 00:15:09

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2019-17544

GNU » Aspell
Versions before (<) 0.60.8
cpe:2.3:a:gnu:aspell:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 12.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 14.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 18.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 19.04
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

2.00%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 89 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:P	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: Partial
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

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

USN-4155-1: Aspell vulnerability | Ubuntu security notices
Third Party Advisory
https://github.com/GNUAspell/aspell/compare/rel-0.60.7...rel-0.60.8

Comparing rel-0.60.7...rel-0.60.8 · GNUAspell/aspell · GitHub
Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16109

16109 - aspell/aspell_fuzzer: Dynamic-stack-buffer-overflow in acommon::unescape - oss-fuzz - Monorail
Third Party Advisory
https://github.com/GNUAspell/aspell/commit/80fa26c74279fced8d778351cff19d1d8f44fe4e

Fix various bugs found by OSS-Fuze. · GNUAspell/aspell@80fa26c · GitHub
Patch;Third Party Advisory
https://usn.ubuntu.com/4155-2/

USN-4155-2: Aspell vulnerability | Ubuntu security notices
https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html

[SECURITY] [DLA 2720-1] aspell security update

CVEs referencing this url
https://www.debian.org/security/2021/dsa-4948

Debian -- Security Information -- DSA-4948-1 aspell

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2019/10/msg00027.html

[SECURITY] [DLA 1966-1] aspell security update

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