CVE-2019-20433 Information

Description

libaspell.a in GNU Aspell before 0.60.8 has a buffer over-read for a string ending with a single ‘\0’ byte if the encoding is set to ucs-2 or ucs-4 outside of the application as demonstrated by the ASPELL_CONF environment variable.

CVSS Vector

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

Reference

http://aspell.net/buffer-overread-ucs.txt

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1