Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2021-07-30T14:15:18.253

Last Modified

2024-11-21T06:14:01.510

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	powerdns	authoritative_server	< 4.5.1	Yes

References

http://www.openwall.com/lists/oss-security/2021/07/26/2 Mailing List, Third Party Advisory ([email protected])
https://doc.powerdns.com/authoritative/security-advisories/index.html Vendor Advisory ([email protected])
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.html Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/07/26/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://doc.powerdns.com/authoritative/security-advisories/index.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)