CVE-2021-23521— Link Following
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.
Raw Material Software Juce是英国Raw Material Software公司的一个开源的跨平台 C++ 应用程序框架。用于创建高质量的桌面和移动应用程序，包括Vst，Vst3，Au，Auv3，Rtas 和 Aax 音频插件。 Raw Material Software Juce 中存在后置链接漏洞，该漏洞源于产品ZipFile.cpp文件中的ZipFile::uncompressEntry函数未对写入路径进行有效检查。攻击者可通过该漏洞向恶意符号链接的位置写入任意文件。以下产品
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I. Basic Information for CVE-2021-23521
Vulnerability Information
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Vulnerability Title
Link Following
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package juce-framework/JUCE before 6.1.5. This vulnerability is triggered when a malicious archive is crafted with an entry containing a symbolic link. When extracted, the symbolic link is followed outside of the target dir allowing writing arbitrary files on the target host. In some cases, this can allow an attacker to execute arbitrary code. The vulnerable code is in the ZipFile::uncompressEntry function in juce_ZipFile.cpp and is executed when the archive is extracted upon calling uncompressTo() on a ZipFile object.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Raw Material Software Juce 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Raw Material Software Juce是英国Raw Material Software公司的一个开源的跨平台 C++ 应用程序框架。用于创建高质量的桌面和移动应用程序，包括Vst，Vst3，Au，Auv3，Rtas 和 Aax 音频插件。 Raw Material Software Juce 中存在后置链接漏洞，该漏洞源于产品ZipFile.cpp文件中的ZipFile::uncompressEntry函数未对写入路径进行有效检查。攻击者可通过该漏洞向恶意符号链接的位置写入任意文件。以下产品
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-2021-23521
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-23521 (1)
Vendor Advisories for CVE-2021-23521 (1)
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https://snyk.io/vuln/SNYK-UNMANAGED-JUCEFRAMEWORKJUCE-2388608 x_refsource_MISC
Same Patch Batch · n/a · 2022-01-31 · 27 CVEs total
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IV. Related Vulnerabilities
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