Vulnerability in javahuang SurveyKing

[ Description ]Official description

SurveyKing before 1.13.0 contains a missing authorization vulnerability that allows unauthenticated attackers to download any stored file by id through GET /api/public/preview/{attachmentId}. Attackers who know or derive time-ordered snowflake file ids can bypass shared, owner, and project checks in FileServiceImpl.loadFile to read private survey attachments and respondent uploads.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/javahuang/SurveyKing
• github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/ap…
• github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/rd…
• github.com/javahuang/SurveyKing/commit/9489171d53e55ace2856a91af38034665c0064a4
• hackmd.io/@hieuPenguinnn/surveyking-public-preview-unauth-file-read
• www.vulncheck.com/advisories/surveyking-before-1.13.0-unauthenticated-file-download-via…