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I. Basic Information for CVE-2019-3902
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mercurial 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mercurial是Matt Mackall软件开发者的一套使用Python语言编写的跨平台的分布式版本控制软件。该软件支持同时处理纯文本和二进制文件等。 Mercurial 4.9之前版本中存在安全漏洞。攻击者可利用该漏洞绕过路径检查逻辑，向库之外的其他位置写入文件。
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
The Mercurial Projectmercurial before 4.9 -
II. Public POCs for CVE-2019-3902
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III. Intelligence Information for CVE-2019-3902
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New Vulnerabilities
Product: mercurial
Same weakness: CWE-22
V. Comments for CVE-2019-3902

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