CVE-2018-16855

Published: Dec 3, 2018Modified: Nov 21, 2024

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (1)

Products: Powerdns: Recursor

Powerdns

1 product

Recursor

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Powerdns Recursor	Before 4.1.8

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (4)

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855

Source: secalert@redhat.com

Issue TrackingThird Party Advisory

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html

Source: secalert@redhat.com

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingThird Party Advisory

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.