CVE Vulnerability

CVE-2018-16855

An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

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

References
Link Resource
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855 Issue Tracking Third Party Advisory
Configurations

Configuration 1

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

Published : 2018-12-03 02:29

Updated : 2019-10-09 11:36

NVD link : CVE-2018-16855

Mitre link : CVE-2018-16855

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read