CVE-2020-11684
Quick assessment
Affected
n/a n/a
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.
Microchip AT91bootstrap是美国柏通（Microchip）的二级引导加载程序。它提供了一组算法来管理硬件初始化，例如时钟速度配置、PIO 设置、DRAM 初始化，从指定的启动介质下载您的主要应用程序：NAND FLASH、串行 FLASH（DataFlash 的 AT25 兼容）、串行 EEPROM、 SD 卡等到主存储器并启动它。 Microchip AT91bootstrap 3.9.2版本之前存在加密问题漏洞，该漏洞源于没有正确地从内存中擦除加密和认证密钥。
Possible ATT&CK Techniques 1 AI
T1552.002 · Credentials in Registry
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I. Basic Information for CVE-2020-11684
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microchip AT91bootstrap 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microchip AT91bootstrap是美国柏通（Microchip）的二级引导加载程序。它提供了一组算法来管理硬件初始化，例如时钟速度配置、PIO 设置、DRAM 初始化，从指定的启动介质下载您的主要应用程序：NAND FLASH、串行 FLASH（DataFlash 的 AT25 兼容）、串行 EEPROM、 SD 卡等到主存储器并启动它。 Microchip AT91bootstrap 3.9.2版本之前存在加密问题漏洞，该漏洞源于没有正确地从内存中擦除加密和认证密钥。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2020-11684
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2020-11684 (1)
Other References for CVE-2020-11684 (1)
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https://labs.f-secure.com/advisories/microchip-at91bootstrap/ x_refsource_MISC
Same Patch Batch · n/a · 2020-09-14 · 37 CVEs total
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| CVE-2020-21733 | LG 跨站脚本漏洞 | |
| CVE-2020-21732 | Rukovoditel 跨站脚本漏洞 | |
| CVE-2020-21731 | Gazie 跨站脚本漏洞 | |
| CVE-2019-14757 | KaiOS 跨站脚本漏洞 | |
| CVE-2020-11881 | MikroTik RouterOS 输入验证错误漏洞 |
Showing top 20 of 37 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2020-11684
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