CVE-2017-15120

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html	Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120	Issue Tracking Third Party Advisory
http://seclists.org/oss-sec/2017/q4/382	Mailing List Patch Third Party Advisory
https://www.debian.org/security/2017/dsa-4063	Third Party Advisory
http://www.securityfocus.com/bid/106335	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Information

Published : 2018-07-27 08:29

Updated : 2019-10-09 16:24

NVD link : CVE-2017-15120

Mitre link : CVE-2017-15120

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

debian

debian_linux

powerdns

recursor

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