CVE-2023-6534
FreeBSD pf Denial-of-Service Vulnerability
Description
In versions of FreeBSD 14.0-RELEASE before 14-RELEASE-p2, FreeBSD 13.2-RELEASE before 13.2-RELEASE-p7 and FreeBSD 12.4-RELEASE before 12.4-RELEASE-p9, the pf(4) packet filter incorrectly validates TCP sequence numbers. This could allow a malicious actor to execute a denial-of-service attack against hosts behind the firewall.
INFO
Published Date :
Dec. 13, 2023, 9:15 a.m.
Last Modified :
Jan. 12, 2024, 2:15 p.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-2023-6534.
| URL | Resource |
|---|---|
| https://security.freebsd.org/advisories/FreeBSD-SA-23:17.pf.asc | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20240112-0007/ |
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-2023-6534 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-6534 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]
Jan. 12, 2024
Action Type Old Value New Value Added Reference FreeBSD https://security.netapp.com/advisory/ntap-20240112-0007/ [No types assigned] -
Initial Analysis by [email protected]
Dec. 19, 2023
Action Type Old Value New Value 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://security.freebsd.org/advisories/FreeBSD-SA-23:17.pf.asc No Types Assigned https://security.freebsd.org/advisories/FreeBSD-SA-23:17.pf.asc Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:12.4:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:p5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:p6:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:p7:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:p8:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:rc2-p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.4:rc2-p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:13.2:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:13.2:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:13.2:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:13.2:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:13.2:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:13.2:p5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:13.2:p6:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:14.0:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:14.0:beta5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:14.0:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:14.0:rc3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:14.0:rc4-p1:*:*:*:*:*:* -
CVE Received by [email protected]
Dec. 13, 2023
Action Type Old Value New Value Added Description In versions of FreeBSD 14.0-RELEASE before 14-RELEASE-p2, FreeBSD 13.2-RELEASE before 13.2-RELEASE-p7 and FreeBSD 12.4-RELEASE before 12.4-RELEASE-p9, the pf(4) packet filter incorrectly validates TCP sequence numbers. This could allow a malicious actor to execute a denial-of-service attack against hosts behind the firewall. Added Reference FreeBSD https://security.freebsd.org/advisories/FreeBSD-SA-23:17.pf.asc [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-2023-6534 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-2023-6534
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.01%
score
0.24204
percentile