CVE-2018-1002208

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 9.9% 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

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'.

Affected products

icsharpcode sharpziplib: through 0.86.0.518

References

https://github.com/icsharpcode/SharpZipLib/issues/232
https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0
https://github.com/snyk/zip-slip-vulnerability
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247
https://github.com/icsharpcode/SharpZipLib/issues/232
https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0
https://github.com/snyk/zip-slip-vulnerability
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247

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