CVE-2018-1002208

MediumCVSS 5.5/10Last modified Jun 17, 2026

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'.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
SharpZipLib	SharpZipLib	< 1.0 RC1

References

https://github.com/icsharpcode/SharpZipLib/issues/232Issue Tracking, Patch, Third Party Advisory
https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0Issue Tracking, Patch, Third Party Advisory
https://github.com/snyk/zip-slip-vulnerabilityThird Party Advisory
https://snyk.io/research/zip-slip-vulnerabilityThird Party Advisory
https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247Exploit, Patch, Technical Description
https://github.com/icsharpcode/SharpZipLib/issues/232Issue Tracking, Patch, Third Party Advisory
https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0Issue Tracking, Patch, Third Party Advisory
https://github.com/snyk/zip-slip-vulnerabilityThird Party Advisory
https://snyk.io/research/zip-slip-vulnerabilityThird Party Advisory
https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247Exploit, Patch, Technical Description

Timeline

Published: Jul 25, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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