CVE Vulnerabilities

CVE-2017-9105

NULL Pointer Dereference

Published: Jun 18, 2020 | Modified: Nov 07, 2023
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

An issue was discovered in adns before 1.5.2. It corrupts a pointer when a nameserver speaks first because of a wrong number of pointer dereferences. This bug may well be exploitable as a remote code execution.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Adns Gnu * 1.5.2 (excluding)
Adns Ubuntu bionic *
Adns Ubuntu eoan *
Adns Ubuntu esm-apps/bionic *
Adns Ubuntu esm-apps/focal *
Adns Ubuntu esm-apps/xenial *
Adns Ubuntu focal *
Adns Ubuntu trusty *
Adns Ubuntu xenial *

Potential Mitigations

References