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CVE-2017-15120

HIGH
Published 2018-07-27T15:00:00
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Expert Analysis

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CVSS Score

V3.0
7.5
/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.006
probability
of exploitation in the wild

There is a 0.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.684
Higher than 68.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

PowerDNS

pdns-recursor

Affected Versions:

4.0.8

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-rxpc-3cmh-w743

Advisory Details

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 Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2017-15120
WEB https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120
WEB https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html
WEB https://www.debian.org/security/2017/dsa-4063
WEB http://seclists.org/oss-sec/2017/q4/382
WEB http://www.securityfocus.com/bid/106335

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

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
Published: 2018-07-27T15:00:00
Last Modified: 2024-08-05T19:50:16.333Z
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