CVE-2021-36754

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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.

References

http://www.openwall.com/lists/oss-security/2021/07/26/2

https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.html

https://doc.powerdns.com/authoritative/security-advisories/index.html

Details

Source: MITRE

Published: 2021-07-30

Updated: 2021-08-07

Type: CWE-119

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Tenable Plugins

View all (1 total)

IDNameProductFamilySeverity
152125FreeBSD : powerdns -- remotely triggered crash (ce79167f-ee1c-11eb-9785-b42e99a1b9c3)NessusFreeBSD Local Security Checks
high