CVE-2022-43765— DoS in APROLs Tbase server
Quick assessment
Affected
B&R Industrial Automation B&R APROL
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.
B&R Industrial Automation APROL是奥地利贝加莱工业自动化（B&R Industrial Automation）公司的一个生产过程管理系统。 B&R Industrial Automation APROL R 4.2-07之前版本存在安全漏洞，该漏洞源于无法正确处理发送到端口55502/tcp的特殊格式化数据包，从而导致系统拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-43765
Vulnerability Information
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Vulnerability Title
DoS in APROLs Tbase server
Source: CVE Program / CVE List V5
Vulnerability Description
B&R APROL versions < R 4.2-07 doesn’t process correctly specially
formatted data packages sent to port 55502/tcp, which may allow a network based
attacker to cause an application Denial-of-Service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加检查的返回值
Source: CVE Program / CVE List V5
Vulnerability Title
B&R Industrial Automation APROL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
B&R Industrial Automation APROL是奥地利贝加莱工业自动化（B&R Industrial Automation）公司的一个生产过程管理系统。 B&R Industrial Automation APROL R 4.2-07之前版本存在安全漏洞，该漏洞源于无法正确处理发送到端口55502/tcp的特殊格式化数据包，从而导致系统拒绝服务。
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 |
|---|---|---|---|---|
| B&R Industrial Automation | B&R APROL | < R 4.2-07 | - |
|
II. Public POCs for CVE-2022-43765
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-43765 (1)
Same Patch Batch · B&R Industrial Automation · 2023-02-08 · 5 CVEs total
| CVE-2022-43764 | 9.8 CRITICAL | Buffer overflow when changing configuration on Tbase Server |
| CVE-2022-43761 | 9.4 CRITICAL | Lack of authentication when managing APROL database |
| CVE-2022-43762 | 7.5 HIGH | Memory leak when receiving messages in APROL Tbase server |
| CVE-2022-43763 | 7.5 HIGH | Lack of checking preconditions in APROL |
IV. Related Vulnerabilities
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-
CVE-2024-45482
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Same weakness: CWE-252
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V. Comments for CVE-2022-43765
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