CVE Vulnerability

CVE-2019-20433

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

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://aspell.net/buffer-overread-ucs.txt Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:gnu:aspell:*:*:*:*:*:*:*:*
Information

Published : 2020-01-27 03:15

Updated : 2020-01-31 03:32

NVD link : CVE-2019-20433

Mitre link : CVE-2019-20433

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read