CVE-2023-33956

NameCVE-2023-33956
DescriptionKanboard is open source project management software that focuses on the Kanban methodology. Versions prior to 1.2.30 are subject to an Insecure direct object reference (IDOR) vulnerability present in the application's URL parameter. This vulnerability enables any user to read files uploaded by any other user, regardless of their privileges or restrictions. By Changing the file_id any user can render all the files where MimeType is image uploaded under **/files** directory regard less of uploaded by any user. This vulnerability poses a significant impact and severity to the application's security. By manipulating the URL parameter, an attacker can access sensitive files that should only be available to authorized users. This includes confidential documents or any other type of file stored within the application. The ability to read these files can lead to various detrimental consequences, such as unauthorized disclosure of sensitive information, privacy breaches, intellectual property theft, or exposure of trade secrets. Additionally, it could result in legal and regulatory implications, reputation damage, financial losses, and potential compromise of user trust. Users are advised to upgrade. There are no known workarounds for this vulnerability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1037167

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
kanboard (PTS)bookworm, bookworm (security)1.2.26+ds-2+deb12u2fixed
sid1.2.31+ds2-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kanboardsourcebookworm1.2.26+ds-2+deb12u1
kanboardsource(unstable)1.2.26+ds-41037167

Notes

https://github.com/kanboard/kanboard/security/advisories/GHSA-r36m-44gg-wxg2
https://github.com/kanboard/kanboard/commit/437b141fa2267df36976814e704517f30d2424bd (v1.2.30)

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