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CVE-2020-25860

Quick assessment

Affected
n/a Pengutronix RAUC
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Pengutronix RAUC是Pengutronix组织的一个可为嵌入式Linux系统提供自动更新的软件。 Pengutronix RAUC update 存在安全漏洞，该漏洞源于install.c模块有一个检查使用时间漏洞，在重新打开更新文件进行安装之前对更新文件进行签名验证。能够在更新文件被重新打开之前修改更新文件的攻击者可利用该漏洞可以在设备上安装任意代码。

AI Predicted 8.1 Difficulty: Easy EPSS 1.43% · P72

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-25860

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The install.c module in the Pengutronix RAUC update client prior to version 1.5 has a Time-of-Check Time-of-Use vulnerability, where signature verification on an update file takes place before the file is reopened for installation. An attacker who can modify the update file just before it is reopened can install arbitrary code on the device.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
Pengutronix RAUC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pengutronix RAUC是Pengutronix组织的一个可为嵌入式Linux系统提供自动更新的软件。 Pengutronix RAUC update 存在安全漏洞，该漏洞源于install.c模块有一个检查使用时间漏洞，在重新打开更新文件进行安装之前对更新文件进行签名验证。能够在更新文件被重新打开之前修改更新文件的攻击者可利用该漏洞可以在设备上安装任意代码。
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
- Pengutronix RAUC All versions before 1.5 -

II. Public POCs for CVE-2020-25860

# POC Description Source Link Shenlong Link
1 integration examples for the CVE-2020-25860 fix https://github.com/rauc/rauc-1.5-integration POC Details
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III. Intelligence Information for CVE-2020-25860

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Vendor Advisories for CVE-2020-25860 (1)

Security Blog Posts for CVE-2020-25860 (1)

Same Patch Batch · n/a · 2020-12-21 · 32 CVEs total

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CVE-2020-3999 VMware ESXi 和 VMware Workstation 代码问题漏洞
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CVE-2020-35497 ovirt-engine 信息泄露漏洞
CVE-2020-27254 X-STREAM enhanced XEGP 授权问题漏洞
CVE-2020-14225 Hcl Technologies Inotes 安全漏洞
CVE-2020-6881 ZTE 多款产品访问控制错误漏洞
CVE-2020-6882 ZTE E8810/E8820/E8822 series 信息泄露漏洞
CVE-2020-35622 MediaWiki 跨站脚本漏洞
CVE-2020-21377 Yunyecms SQL注入漏洞
CVE-2020-21378 SeaCMS SQL注入漏洞
CVE-2020-35604 Kronos Webta 代码问题漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-367

V. Comments for CVE-2020-25860

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