CVE-2021-23772: Improper Link Resolution Before File Access ('Link Following')

December 24, 2021 (updated January 4, 2022)

This affects all versions of package github.com/kataras/iris; all versions of package github.com/kataras/iris/v12. The unsafe handling of file names during upload using UploadFormFiles method may enable attackers to write to arbitrary locations outside the designated target folder.

References

github.com/kataras/iris/commit/e213dba0d32ff66653e0ef124bc5088817264b08
nvd.nist.gov/vuln/detail/CVE-2021-23772
snyk.io/vuln/SNYK-GOLANG-GITHUBCOMKATARASIRIS-2325169
snyk.io/vuln/SNYK-GOLANG-GITHUBCOMKATARASIRISV12-2325170

Code Behaviors & Features

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