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I. Basic Information for CVE-2021-32841
Vulnerability Information

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Vulnerability Title
Path Traversal in SharpZipLib
Source: NVD (National Vulnerability Database)
Vulnerability Description
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Starting version 1.3.0 and prior to version 1.3.3, a check was added if the destination file is under destination directory. However, it is not enforced that `destDir` ends with slash. If the `destDir` is not slash terminated like `/home/user/dir` it is possible to create a file with a name thats begins with the destination directory, i.e. `/home/user/dir.sh`. Because of the file name and destination directory constraints, the arbitrary file creation impact is limited and depends on the use case. Version 1.3.3 contains a patch for this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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
SharpZipLib 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SharpZipLib(#ziplib,前称NZipLib)是ICSharpCode(Icsharpcode)团队的一个开源的用在.NET平台中的C#压缩解压库,它支持解压和压缩Zip、GZip、BZip2、Tar等格式的文件。 SharpZipLib 存在安全漏洞,该漏洞源于不强制 destDir 以斜线结尾。 如果 destDir 没有像 /home/user/dir 那样以斜线结尾,则可以创建一个名称以目标目录开头的文件,即 /home/user/dir.sh 。由于文件名和目标目录的限制,任意文件
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
icsharpcodesharpziplib 1.3.3 ~ 1.3.3 -
II. Public POCs for CVE-2021-32841
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III. Intelligence Information for CVE-2021-32841
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