Vulnerability CVE-2020-12244
Published: 2020-05-19

Description:
An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Powerdns -> Recursor 

 References:
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html
http://www.openwall.com/lists/oss-security/2020/05/19/3
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html
https://www.debian.org/security/2020/dsa-4691
Copyright 2024, cxsecurity.com

 

Back to Top