CVE Vulnerability

CVE-2021-36754

PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/07/26/2 Mailing List Third Party Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.html Vendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/index.html Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:*
Information

Published : 2021-07-30 02:15

Updated : 2021-08-07 02:28

NVD link : CVE-2021-36754

Mitre link : CVE-2021-36754

Products Affected

Authoritative Server

Powerdns

CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer