CVE-2018-1002208: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

May 13, 2022 (updated June 30, 2022)

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

github.com/advisories/GHSA-cqj4-m2pc-v9m5
github.com/icsharpcode/SharpZipLib/issues/232
github.com/icsharpcode/SharpZipLib/wiki/Release-1.0
github.com/snyk/zip-slip-vulnerability
nvd.nist.gov/vuln/detail/CVE-2018-1002208
snyk.io/research/zip-slip-vulnerability
snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247

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