Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 and 10.0.x <= 10.0.0 fail to properly authorize the requests to /api/v4/channels which allows a User or System Manager, with "Read Groups" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.
{
"cna_assigner": "Mattermost",
"cwe_ids": [
"CWE-863"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42000.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "9.10.0"
},
{
"last_affected": "9.10.2"
},
{
"introduced": "9.11.0"
},
{
"last_affected": "9.11.1"
},
{
"introduced": "9.5.0"
},
{
"last_affected": "9.5.9"
},
{
"introduced": "10.0.0"
},
{
"last_affected": "10.0.0"
}
],
"source": "AFFECTED_FIELD"
}
]
}{
"cpe": [
"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"cpe:2.3:a:mattermost:mattermost_server:10.0.0:-:*:*:*:*:*:*",
"cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc4:*:*:*:*:*:*",
"cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc1:*:*:*:*:*:*",
"cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc2:*:*:*:*:*:*",
"cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc3:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "9.5.0"
},
{
"fixed": "9.5.10"
},
{
"introduced": "9.10.0"
},
{
"fixed": "9.10.3"
},
{
"introduced": "9.11.0"
},
{
"fixed": "9.11.2"
},
{
"introduced": "10.0.0-NA"
},
{
"last_affected": "10.0.0-NA"
},
{
"introduced": "10.0.0-rc4"
},
{
"last_affected": "10.0.0-rc4"
},
{
"introduced": "10.0.0-rc1"
},
{
"last_affected": "10.0.0-rc1"
},
{
"introduced": "10.0.0-rc2"
},
{
"last_affected": "10.0.0-rc2"
},
{
"introduced": "10.0.0-rc3"
},
{
"last_affected": "10.0.0-rc3"
}
],
"source": [
"CPE_RANGE",
"CPE_STRING"
]
}