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I. Basic Information for CVE-2021-31566
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: NVD (National Vulnerability Database)
Vulnerability Title
libarchive 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libarchive是一款多格式存档和压缩库。 libarchive 存在安全漏洞,该漏洞源于可以通过符号链接模式时间标记修改数据。攻击者可利用该漏洞可以绕过libarchive的访问限制。
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
VendorProductAffected VersionsCPESubscribe
-libarchive Fixed in libarchive 3.5.2 -
II. Public POCs for CVE-2021-31566
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III. Intelligence Information for CVE-2021-31566
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IV. Related Vulnerabilities
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