Vulnerability · Published May 20, 2022 · Assigned by GitHub_M

CVE-2022-29159Possibility for anyone to add a stack with existing tasks on anyone's board in Nextcloud Deck

Medium 5.0

In plain English

A medium-severity authorization bypass via user-controlled key in security-advisories from nextcloud. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).

Severity (CVSS 3.1)5.0Medium

Exploit odds (30 days)1.0%top 37.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Nextcloud Deck is a Kanban-style project & personal management tool for Nextcloud. In versions prior to 1.4.8, 1.5.6, and 1.6.1, an authenticated user can move stacks with cards from their own board to a board of another user. The Nextcloud Deck app contains a patch for this issue in versions 1.4.8, 1.5.6, and 1.6.1. There are no known currently-known workarounds available.

Affected products (as reported)

Vendor	Product	Versions
nextcloud	security-advisories	< 1.4.8>= 1.5.0, < 1.5.6= 1.6.0

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vqhf-673w-7r3j x_refsource_CONFIRM
https://github.com/nextcloud/deck/pull/3541 x_refsource_MISC
https://hackerone.com/reports/1450117 x_refsource_MISC