CVE Vulnerability

CVE-2021-41581

x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks '' termination.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/libressl-portable/openbsd/issues/126 Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:*
Information

Published : 2021-09-24 03:15

Updated : 2021-09-29 09:35

NVD link : CVE-2021-41581

Mitre link : CVE-2021-41581

Products Affected

Libressl

Openbsd

CWE
CWE-125

Out-of-bounds Read