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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : 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://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855	Issue Tracking Third Party Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2018-12-03 14:29

Updated : 2023-12-10 12:44

NVD link : CVE-2018-16855

Mitre link : CVE-2018-16855

CVE.ORG link : CVE-2018-16855

JSON object : View

Products Affected

powerdns

recursor

CWE

CWE-125

Out-of-bounds Read

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