CVE Vulnerability

CVE-2020-23921

An issue was discovered in fast_ber through v0.4. yy::yylex() in asn_compiler.hpp has a heap-based buffer over-read.

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/Samuel-Tyler/fast_ber/issues/30 Exploit Third Party Advisory
https://cwe.mitre.org/data/definitions/126.html Technical Description
Configurations

Configuration 1

cpe:2.3:a:fast_ber_project:fast_ber:*:*:*:*:*:*:*:*
Information

Published : 2021-04-21 06:15

Updated : 2022-10-26 01:49

NVD link : CVE-2020-23921

Mitre link : CVE-2020-23921

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read