CVE-2018-1002206

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 9.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-07-25 · updated 2026-06-17
Weakness: CWE-22

Description

SharpCompress before 0.21.0 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'.

Affected products

adamhathcock sharpcompress: before 0.21.0 — fixed in 0.21.0

How to fix

Upgrade to a fixed version: adamhathcock sharpcompress 0.21.0. Check the vendor advisory for mitigations.

References

https://github.com/adamhathcock/sharpcompress/commit/42b1205fb435de523e6ef8ac5b7bafbe712997f6
https://github.com/adamhathcock/sharpcompress/pull/374
https://github.com/snyk/zip-slip-vulnerability
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/SNYK-DOTNET-SHARPCOMPRESS-60246
https://github.com/adamhathcock/sharpcompress/commit/42b1205fb435de523e6ef8ac5b7bafbe712997f6
https://github.com/adamhathcock/sharpcompress/pull/374
https://github.com/snyk/zip-slip-vulnerability
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/SNYK-DOTNET-SHARPCOMPRESS-60246

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