Vulnerability Report

CVE-2017-15120

Title: Powerdns Recursor Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2017-15120

CWE Category CWE-476
Published Date Jul 27, 2018
Modified Date Nov 21, 2024
Exploit Status Available
Score 7.5 CVSS v3.0
Exploit Probability (EPSS)
51.79%

Vulnerability Summary

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.

Impacted Vendors

P
powerdns 1

Reference Links

http://seclists.org/oss-sec/2017/q4/382 http://www.securityfocus.com/bid/106335 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120 https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html https://www.debian.org/security/2017/dsa-4063 http://seclists.org/oss-sec/2017/q4/382 http://www.securityfocus.com/bid/106335 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120 https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html https://www.debian.org/security/2017/dsa-4063
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-15120 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/shutingrz/CVE-2017-15120_PoC
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.