CVE-2020-15135

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Summary

CVECVE-2020-15135
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-08-04 21:15:00 UTC
Updated2020-08-10 19:18:00 UTC
Descriptionsave-server (npm package) before version 1.05 is affected by a CSRF vulnerability, as there is no CSRF mitigation (Tokens etc.). The fix introduced in version version 1.05 unintentionally breaks uploading so version v1.0.7 is the fixed version. This is patched by implementing Double submit. The CSRF attack would require you to navigate to a malicious site while you have an active session with Save-Server (Session key stored in cookies). The malicious user would then be able to perform some actions, including uploading/deleting files and adding redirects. If you are logged in as root, this attack is significantly more severe. They can in addition create, delete and update users. If they updated the password of a user, that user's files would then be available. If the root password is updated, all files would be visible if they logged in with the new password. Note that due to the same origin policy malicious actors cannot view the gallery or the response of any of the methods, nor be sure they succeeded. This issue has been patched in version 1.0.7.

Risk And Classification

Problem Types: CWE-352

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Save-server Project Save-server All All All All
Application Save-server Project Save-server All All All All

References

ReferenceSourceLinkTags
Double Submit Cookie Pattern. Previously, I have discussed the… | by Harsha kavinda | cross-site-request-forgery-csrf | Medium MISC medium.com Exploit, Third Party Advisory
CSRF vulnerability · Advisory · Neztore/save-server · GitHub CONFIRM github.com Third Party Advisory
save-server - npm MISC www.npmjs.com Product, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 983195 Nodejs (npm) Security Update for save-server (GHSA-wwrj-35w6-77ff)

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