GHSA-9fpw-c9x7-cv3j

ghsaUSosv

Mattermost allows remote actor to set arbitrary RemoteId values for synced users

view advisory published 2024-08-01Licence: CC-BY-4.0

Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2024-41926US	medium4.3	0.18% (7th)	—	2024-08-01
Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arb…

references

External citations — patches, advisories, analysis.

https://github.com/mattermost/mattermostPACKAGE
https://github.com/mattermost/mattermost/commit/5114c3b7cdb84086959bf0ef8bc5afdaedf9fef6WEB
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2024-41926ADVISORY
https://pkg.go.dev/vuln/GO-2024-3022WEB

scry

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