CVE-2024-41926GO-2024-3022BIT-MATTERMOST-2024-41926GHSA-9FPW-C9X7-CV3J
Malicious remote can claim that a user was synced from another remote
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 9.5.7+incompatible, 9.9.1+incompatible, 9.5.7, 9.9.1, 8.0.0-20240604093018-5114c3b7cdb8, and 1 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Mattermost Mattermost
From 9.5.0 · through 9.5.6
- github.com/mattermost/mattermost-serverGo
From 9.5.0+incompatible · fixed in 9.5.7+incompatible; From 9.9.0+incompatible · fixed in 9.9.1+incompatible
- github.com/mattermost/mattermost-server/v5Go
All versions
- github.com/mattermost/mattermost-server/v6Go
All versions
- github.com/mattermost/mattermost/server/v8Go
All versions
- github.com/mattermost/mattermost/server/v8Go
From 9.5.0 · fixed in 9.5.7
- github.com/mattermost/mattermost/server/v8Go
From 9.9.0 · fixed in 9.9.1
- github.com/mattermost/mattermost/server/v8Go
fixed in 8.0.0-20240604093018-5114c3b7cdb8
- github.com/mattermost/mattermostGo
fixed in 5.3.2-0.20240604093018-5114c3b7cdb8