GHSA-7378-6268-4278

DotNetZip Zip-Slip Vulnerability

Source: GitHub Advisory Database (reviewed) Moderate CVE-2018-1002205

Packages

Ecosystem	Package	Affected	Fixed in
NuGet	DotNetZip	< 1.11.0	1.11.0

Details

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

DotNetZip.Semvered before 1.11.0 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-2018-1002205 advisory
https://github.com/haf/DotNetZip.Semverd/pull/121 web
https://github.com/haf/DotNetZip.Semverd/commit/55d2c13c0cc64654e18fcdd0038fdb3d7458e366 web
https://github.com/snyk/zip-slip-vulnerability web
https://snyk.io/research/zip-slip-vulnerability web
https://snyk.io/vuln/SNYK-DOTNET-DOTNETZIP-60245 web