CVE-2023-34337— Inadequate Encryption Strength
Quick assessment
Affected
AMI MegaRAC_SPx
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.
AMI MegaRAC是AMI公司的一系列服务处理器产品。可独立于操作系统状态或位置对计算机系统进行完整的带外或无灯光远程管理，以对计算机进行故障排除并确保服务的连续性。 AMI MegaRAC 存在安全漏洞，该漏洞源于BMC中基于哈希的消息身份验证代码（HMAC）加密强度不足，导致机密性、完整性和可用性丧失。
Possible ATT&CK Techniques 1 AI
T1556 · Modify Authentication Process
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I. Basic Information for CVE-2023-34337
Vulnerability Information
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Vulnerability Title
Inadequate Encryption Strength
Source: CVE Program / CVE List V5
Vulnerability Description
AMI SPx contains a vulnerability in the BMC where a user may cause an inadequate encryption strength by hash-based message authentication code (HMAC). A successful exploit of this vulnerability may lead to a loss of confidentiality, integrity, and availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的加密强度
Source: CVE Program / CVE List V5
Vulnerability Title
AMI MegaRAC 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMI MegaRAC是AMI公司的一系列服务处理器产品。可独立于操作系统状态或位置对计算机系统进行完整的带外或无灯光远程管理，以对计算机进行故障排除并确保服务的连续性。 AMI MegaRAC 存在安全漏洞，该漏洞源于BMC中基于哈希的消息身份验证代码（HMAC）加密强度不足，导致机密性、完整性和可用性丧失。
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 |
|---|---|---|---|---|
| AMI | MegaRAC_SPx | 12.0 ~ 12.2 | - |
|
II. Public POCs for CVE-2023-34337
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-34337 (1)
Same Patch Batch · AMI · 2023-07-05 · 5 CVEs total
| CVE-2023-34338 | 7.1 HIGH | hard coded cryptographic key |
| CVE-2023-34473 | 6.6 MEDIUM | Usage of Hard-coded Credentials |
| CVE-2023-34471 | 6.3 MEDIUM | Missing Cryptographic Step |
| CVE-2023-34472 | 5.7 MEDIUM | AMI MegaRAC 安全漏洞 |
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V. Comments for CVE-2023-34337
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