Description
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.
References (5)
Core 5
Core References
Third Party Advisory x_refsource_misc
http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git
Release Notes, Third Party Advisory x_refsource_confirm
https://www.chiark.greenend.org.uk/pipermail/adns-announce/2020/000004.html
Various Sources x_refsource_confirm
http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git%3Ba=blob%3Bf=changelog
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRVHN3GGVNQWAOL3PWC5FLAV7HUESLZR/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UGFZ4SPV6KFQK6ZNUZFB5Y32OYFOM5YJ/
Scores
CVSS v3
8.8
EPSS
0.0262
EPSS Percentile
85.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-476
Status
published
Products (3)
fedoraproject/fedora
31
fedoraproject/fedora
32
gnu/adns
< 1.5.2
Published
Jun 18, 2020
Tracked Since
Feb 18, 2026