critical9.8
CVE-2021-23427
Imporoper path validation in elFinder.NetCore
Impact
This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | elFinder.NetCore | <= 1.3.5 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Elfinder.Netcore Project | Elfinder.Netcore | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226
- https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778
- https://github.com/advisories/GHSA-wmpm-fq7r-jq56
- https://nvd.nist.gov/vuln/detail/CVE-2021-23427
- https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs#L226