CVE-2019-16866
Unbound Remote Uninitialized Memory Access Crash
Description
Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.
INFO
Published Date :
Oct. 3, 2019, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:06 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-16866.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-16866 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-16866 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/ -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-119 CWE-755 CWE-908 -
CVE Modified by [email protected]
Nov. 11, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 10, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 16, 2019
Action Type Old Value New Value Added Reference https://seclists.org/bugtraq/2019/Oct/23 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 16, 2019
Action Type Old Value New Value Added Reference https://www.debian.org/security/2019/dsa-4544 [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 08, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog No Types Assigned https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog Product, Release Notes Changed Reference Type https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt No Types Assigned https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt Patch, Vendor Advisory Changed Reference Type https://usn.ubuntu.com/4149-1/ No Types Assigned https://usn.ubuntu.com/4149-1/ Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.4 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 08, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4149-1/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-16866 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-16866
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
18.84 }} -2.58%
score
0.96364
percentile