CVE-2022-43501
Quick assessment
Affected
ZUKEN Elmic Kasago IPv6/v4 Dual
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
KASAGO IPv6/v4 Dual是KASAGO公司的用于TCP/IP 通信的协议中间件。 KASAGO IPv6/v4 Dual 存在安全漏洞，该漏洞源于ISN（初始序列号）不够随机。攻击者利用该漏洞可以预测ISN的值。
Possible ATT&CK Techniques 1 AI
T1063
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I. Basic Information for CVE-2022-43501
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用不充分的随机数
Source: CVE Program / CVE List V5
Vulnerability Title
KASAGO IPv6/v4 Dual 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KASAGO IPv6/v4 Dual是KASAGO公司的用于TCP/IP 通信的协议中间件。 KASAGO IPv6/v4 Dual 存在安全漏洞，该漏洞源于ISN（初始序列号）不够随机。攻击者利用该漏洞可以预测ISN的值。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ZUKEN Elmic | Kasago IPv6/v4 Dual | prior to Ver6.0.1.34 | - |
|
| ZUKEN Elmic | Kasago IPv4 | prior to Ver6.0.1.34 | - |
|
| ZUKEN Elmic | Kasago IPv4 Light | prior to Ver6.0.1.34 | - |
|
| ZUKEN Elmic | Kasago mobile IPv6 | prior to Ver6.0.1.34 | - |
|
II. Public POCs for CVE-2022-43501
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-43501 (1)
-
https://jvn.jp/en/vu/JVNVU99551468/ third-party-advisory
Other References for CVE-2022-43501 (1)
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V. Comments for CVE-2022-43501
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