CVE-2023-29446— Improper Input Validation in PTC's Kepware KEPServerEX
Quick assessment
Affected
PTC Kepware KEPServerEX
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.
PTC Kepware KEPServerEX是美国PTC公司的一个工业自动化数据连接解决方u200bu200b案。 PTC Kepware KepServerEX 6.14.263.0 及之前版本存在安全漏洞，该漏洞源于容易通过恶意项目文件遭受 UNC 路径注入，通过诱骗用户加载项目文件并单击 GUI 中的特定按钮，攻击者可以获得 Windows 用户 NTLMv2 哈希值，并离线破解它们。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1557.002 · ARP Cache Poisoning
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I. Basic Information for CVE-2023-29446
Vulnerability Information
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Vulnerability Title
Improper Input Validation in PTC's Kepware KEPServerEX
Source: CVE Program / CVE List V5
Vulnerability Description
An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
路径遍历：’\UNCsharename'(WindowsUNC共享)
Source: CVE Program / CVE List V5
Vulnerability Title
PTC Kepware KEPServerEX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PTC Kepware KEPServerEX是美国PTC公司的一个工业自动化数据连接解决方u200bu200b案。 PTC Kepware KepServerEX 6.14.263.0 及之前版本存在安全漏洞，该漏洞源于容易通过恶意项目文件遭受 UNC 路径注入，通过诱骗用户加载项目文件并单击 GUI 中的特定按钮，攻击者可以获得 Windows 用户 NTLMv2 哈希值，并离线破解它们。
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 |
|---|---|---|---|---|
| PTC | Kepware KEPServerEX | 0 ~ 6.14.263.0 | - |
|
| PTC | ThingWorx Kepware Server | 0 ~ 6.14.263.0 | - |
|
| PTC | ThingWorx Industrial Connectivity | 8.0 ~ 8.5 | - |
|
II. Public POCs for CVE-2023-29446
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-29446 (1)
-
https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03 government-resource
Other References for CVE-2023-29446 (2)
-
https://www.ptc.com/en/support/article/cs399528 vendor-advisory
Same Patch Batch · PTC · 2024-01-10 · 4 CVEs total
| CVE-2023-29445 | 7.8 HIGH | Uncontrolled Search Path Element in PTC's Kepware KEPServerEX |
| CVE-2023-29444 | 6.3 MEDIUM | Uncontrolled Search Path Element in PTC's Kepware KEPServerEX |
| CVE-2023-29447 | 5.7 MEDIUM | Insufficiently Protected Credentials in PTC's Kepware KEPServerEX |
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V. Comments for CVE-2023-29446
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