CVE-2023-4236
"BIND DNS-over-TLS Query Load DoS"
Description
A flaw in the networking code handling DNS-over-TLS queries may cause `named` to terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load. This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1.
INFO
Published Date :
Sept. 20, 2023, 1:15 p.m.
Last Modified :
Feb. 1, 2024, 12:53 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2023-4236
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2023-4236.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2023/09/20/2 | Mailing List Third Party Advisory |
| https://kb.isc.org/docs/cve-2023-4236 | Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/ | Mailing List |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/ | Mailing List |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/ | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20231013-0004/ | Third Party Advisory |
| https://www.debian.org/security/2023/dsa-5504 | Third Party Advisory |
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-2023-4236 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-4236 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 -
Modified Analysis by [email protected]
Feb. 01, 2024
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/ Mailing List Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/ Mailing List Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/ Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20231013-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20231013-0004/ Third Party Advisory Changed Reference Type https://www.debian.org/security/2023/dsa-5504 No Types Assigned https://www.debian.org/security/2023/dsa-5504 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 03, 2023
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 13, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20231013-0004/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 11, 2023
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 28, 2023
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 23, 2023
Action Type Old Value New Value Added Reference https://www.debian.org/security/2023/dsa-5504 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 22, 2023
Action Type Old Value New Value Changed Reference Type http://www.openwall.com/lists/oss-security/2023/09/20/2 No Types Assigned http://www.openwall.com/lists/oss-security/2023/09/20/2 Mailing List, Third Party Advisory Changed Reference Type https://kb.isc.org/docs/cve-2023-4236 No Types Assigned https://kb.isc.org/docs/cve-2023-4236 Vendor Advisory Added CWE NIST CWE-617 Added CPE Configuration OR *cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* versions from (including) 9.18.0 up to (excluding) 9.18.18 *cpe:2.3:a:isc:bind:9.18.11:s1:*:*:supported_preview:*:*:* *cpe:2.3:a:isc:bind:9.18.18:s1:*:*:supported_preview:*:*:* -
CVE Modified by [email protected]
Sep. 20, 2023
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2023/09/20/2 [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-2023-4236 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-2023-4236
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} 0.02%
score
0.50879
percentile