Vulnerability Name:

CVE-2022-37428 (CCN-234233)

Assigned:2022-08-23
Published:2022-08-23
Updated:2022-10-29
Summary:PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-459
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-37428

Source: CCN
Type: PowerDNS Security Advisory 2022-02
for PowerDNS Recursor up to and including 4.5.9, 4.6.2, 4.7.1

Source: MISC
Type: Vendor Advisory
https://docs.powerdns.com/recursor/lua-config/protobuf.html

Source: MISC
Type: Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html

Source: XF
Type: UNKNOWN
powerdns-cve202237428-dos(234233)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-d1dcd9b046

Source: CCN
Type: oss-sec Mailing List, Tue, 23 Aug 2022 12:40:59 +0200 (CEST)
Security Advisory 2022-02 for PowerDNS Recursor up to and including 4.5.9, 4.6.2, 4.7.1

Vulnerable Configuration:Configuration 1:
  • cpe:/a:powerdns:recursor:*:*:*:*:*:*:*:* (Version >= 4.5.0 and < 4.5.10)
  • OR cpe:/a:powerdns:recursor:*:*:*:*:*:*:*:* (Version >= 4.6.0 and < 4.6.3)
  • OR cpe:/a:powerdns:recursor:*:*:*:*:*:*:*:* (Version >= 4.7.0 and < 4.7.2)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:36:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    powerdns recursor *
    powerdns recursor *
    powerdns recursor *
    fedoraproject fedora 36