CVE-2022-25332— SK_LOAD timing side channel during AES module decryption in Texas Instruments OMAP L138
Quick assessment
Affected
Texas Instruments OMAP
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.
Texas Instruments OMAP L138是美国德州仪器（Texas Instruments）公司的一个DSP+ARM工业处理器。 Texas Instruments OMAP L138 (secure variants)存在安全漏洞，该漏洞源于ES 实现容易受到定时侧通道的影响，攻击者利用该漏洞可以通过管理缓存内容收集不同密文输入的定时信息来利用定时侧通道，使用此侧通道，SK_LOAD 安全内核例程可用于恢复客户加密密钥 (CEK)。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2022-25332
Vulnerability Information
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Vulnerability Title
SK_LOAD timing side channel during AES module decryption in Texas Instruments OMAP L138
Source: CVE Program / CVE List V5
Vulnerability Description
The AES implementation in the Texas Instruments OMAP L138 (secure variants), present in mask ROM, suffers from a timing side channel which can be exploited by an adversary with non-secure supervisor privileges by managing cache contents and collecting timing information for different ciphertext inputs. Using this side channel, the SK_LOAD secure kernel routine can be used to recover the Customer Encryption Key (CEK).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Texas Instruments OMAP L138 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Texas Instruments OMAP L138是美国德州仪器（Texas Instruments）公司的一个DSP+ARM工业处理器。 Texas Instruments OMAP L138 (secure variants)存在安全漏洞，该漏洞源于ES 实现容易受到定时侧通道的影响，攻击者利用该漏洞可以通过管理缓存内容收集不同密文输入的定时信息来利用定时侧通道，使用此侧通道，SK_LOAD 安全内核例程可用于恢复客户加密密钥 (CEK)。
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 |
|---|---|---|---|---|
| Texas Instruments | OMAP | L138 | - |
|
II. Public POCs for CVE-2022-25332
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-25332 (1)
-
https://tetraburst.com/ related
Same Patch Batch · Texas Instruments · 2023-10-19 · 3 CVEs total
| CVE-2022-25334 | 8.2 HIGH | Stack overflow on SK_LOAD signature length field in Texas Instruments OMAP L138 |
| CVE-2022-25333 | 8.2 HIGH | Flawed SK_LOAD module authenticity check in Texas Instruments OMAP L138 |
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V. Comments for CVE-2022-25332
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