CVE-2017-15120

Description

An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.332

Associated Vulnerability

Vulnerability	OS Platform
pdns-recursor security update(DSA-4063-1) pdns-recursor_4.0.4-1+deb9u3_i386.deb	Linux
pdns-recursor security update(DSA-4063-1) pdns-recursor_4.0.4-1+deb9u3_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