Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.
{
"cna_assigner": "Mattermost",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5196.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "7.8.9"
},
{
"last_affected": "8.1.0"
},
{
"last_affected": "8.0.1"
}
],
"source": "AFFECTED_FIELD"
}
],
"cwe_ids": [
"CWE-400"
]
}{
"extracted_events": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.8.10"
},
{
"introduced": "8.0.0"
},
{
"fixed": "8.0.2"
},
{
"introduced": "8.1.0"
},
{
"fixed": "8.1.1"
}
],
"cpe": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
}