CVE-2018-1002206: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

July 25, 2018 (updated October 9, 2019)

SharpCompress 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/adamhathcock/sharpcompress/commit/42b1205fb435de523e6ef8ac5b7bafbe712997f6
github.com/adamhathcock/sharpcompress/pull/374
github.com/snyk/zip-slip-vulnerability
nvd.nist.gov/vuln/detail/CVE-2018-1002206
snyk.io/research/zip-slip-vulnerability
snyk.io/vuln/SNYK-DOTNET-SHARPCOMPRESS-60246

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