CVE-2023-4398
Zyxel QuickSec IPSec Toolkit Integer Overflow DoS
Description
An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions on an affected device by sending a crafted IKE packet.
INFO
Published Date :
Nov. 28, 2023, 2:15 a.m.
Last Modified :
Dec. 4, 2023, 6:04 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2023-4398
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-2023-4398.
| URL | Resource |
|---|---|
| https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps | Vendor 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-2023-4398 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-4398 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 -
Initial Analysis by [email protected]
Dec. 04, 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://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps No Types Assigned https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps Vendor Advisory Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (including) 5.37 OR cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (including) 5.37 OR cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* versions from (including) 4.16 up to (including) 5.37 OR cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:vpn50w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (including) 5.37 OR cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:* -
CVE Received by [email protected]
Nov. 28, 2023
Action Type Old Value New Value Added Description An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions on an affected device by sending a crafted IKE packet. Added Reference Zyxel Corporation https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps [No types assigned] Added CWE Zyxel Corporation CWE-190 Added CVSS V3.1 Zyxel Corporation AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-4398 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-2023-4398
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.01%
score
0.18142
percentile