CVE-2024-39777
published 2024-08-01CVE-2024-39777: Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels…
PriorityP352critical9.6CVSS 3.1
AVNACLPRLUINSCCHIHAN
EPSS
0.36%
28.2th percentile
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 9.5.0+incompatible < 9.5.7+incompatible | 9.5.7+incompatible |
| github.com | mattermost_mattermost-server | >= 9.7.0+incompatible < 9.7.6+incompatible | 9.7.6+incompatible |
| github.com | mattermost_mattermost-server | >= 9.8.0+incompatible < 9.8.1+incompatible | 9.8.1+incompatible |
| github.com | mattermost_mattermost-server | >= 9.9.0+incompatible < 9.9.1+incompatible | 9.9.1+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 9.5.0 < 9.5.7 | 9.5.7 |
| github.com | mattermost_mattermost_server_v8 | >= 9.7.0 < 9.7.6 | 9.7.6 |
| github.com | mattermost_mattermost_server_v8 | >= 9.8.0 < 9.8.1 | 9.8.1 |
| github.com | mattermost_mattermost_server_v8 | >= 9.9.0 < 9.9.1 | 9.9.1 |
| mattermost | mattermost | — | — |
| mattermost | mattermost | >= 9.5.0 < 9.5.7 | 9.5.7 |
| mattermost | mattermost | 9.5.0 – 9.5.6 | — |
| mattermost | mattermost | >= 9.7.0 < 9.7.6 | 9.7.6 |
| mattermost | mattermost | 9.7.0 – 9.7.5 | — |
| mattermost | mattermost | >= 9.8.0 < 9.8.2 | 9.8.2 |
| mattermost | mattermost | 9.8.0 – 9.8.1 | — |
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OSV
Mattermost allows unsolicited invites to expose access to local channels in github.com/mattermost/mattermost-server
osv·2024-08-30
CVE-2024-39777 Mattermost allows unsolicited invites to expose access to local channels in github.com/mattermost/mattermost-server
Mattermost allows unsolicited invites to expose access to local channels in github.com/mattermost/mattermost-server
Mattermost allows unsolicited invites to expose access to local channels in github.com/mattermost/mattermost-server
GHSA
Mattermost allows unsolicited invites to expose access to local channels
ghsa·2024-08-01
CVE-2024-39777 [CRITICAL] CWE-284 Mattermost allows unsolicited invites to expose access to local channels
Mattermost allows unsolicited invites to expose access to local channels
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.
OSV
Mattermost allows unsolicited invites to expose access to local channels
osv·2024-08-01
CVE-2024-39777 [CRITICAL] Mattermost allows unsolicited invites to expose access to local channels
Mattermost allows unsolicited invites to expose access to local channels
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2024-08-01
Published