GHSA-cqj4-m2pc-v9m5

Improper Limitation of a Pathname to a Restricted Directory in SharpZipLib

Source: GitHub Advisory Database (reviewed) Moderate CVE-2018-1002208

Packages

Ecosystem	Package	Affected	Fixed in
NuGet	SharpZipLib	< 1.0.0-rc1	1.0.0-rc1

Details

As written in the advisory (Markdown source, shown as plain text).

SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2018-1002208 advisory
https://github.com/icsharpcode/SharpZipLib/issues/232 web
https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0 web
https://github.com/snyk/zip-slip-vulnerability web
https://snyk.io/research/zip-slip-vulnerability web
https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247 web