CVE-2021-36754

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2021-36754
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-30T14:15:18
  • Last Modified Date
  • 2021-08-07T02:28:09
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:* 1 OR 4.5.0 4.5.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-36754
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36754
History
Created Old Value New Value Data Type Notes
2022-05-10 06:58:02 Added to TrackCVE
2022-12-05 07:04:19 2021-07-30T14:15Z 2021-07-30T14:15:18 CVE Published Date updated
2022-12-05 07:04:19 2021-08-07T02:28:09 CVE Modified Date updated
2022-12-05 07:04:19 Analyzed Vulnerability Status updated