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Security Database

CVE

CWE

Training

CVE-2017-15120

Published: Jul 27, 2018

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.0

7.5

HIGH

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.

Vendor	Product	Versions
PowerDNS	pdns-recursor	affected `4.0.8`

Weaknesses (CWE)

CVSS v3.0 Details

CVSS v3.0 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120

x_refsource_CONFIRM

https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html

x_refsource_CONFIRM

vendor-advisory

x_refsource_DEBIAN

[oss-security] 20171211 PowerDNS Security Advisory 2017-08

mailing-list

x_refsource_MLIST

vdb-entry

x_refsource_BID

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