National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-1002208 Detail

Current Description

sharplibzip 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'.

Source:  MITRE
Description Last Modified:  07/25/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:sharplibzip_project:sharplibzip:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
0.86.0.518


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1002208
NVD Published Date:
07/25/2018
NVD Last Modified:
09/18/2018