CVE-2020-12244

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.

Risk Information

Base Score

7.5

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.094

Associated Vulnerability

Vulnerability	OS Platform
pdns-recursor security update(DSA-4691-1) pdns-recursor_4.1.11-1+deb10u1_i386.deb	Linux
pdns-recursor security update(DSA-4691-1) pdns-recursor_4.1.11-1+deb10u1_amd64.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234