Overview
- Description
- Mattermost fails to enforce a limit for the size of the cache entry for OpenGraph data allowing an attacker to send a specially crafted request to the /api/v4/opengraph filling the cache and turning the server unavailable.
- Source
- responsibledisclosure@mattermost.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "714E3E9F-A35A-456F-B198-C1CBD09169C6",
"versionEndExcluding": "7.8.11"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "135D194F-2285-4EB4-9963-5BCB97F6BC6B",
"versionEndExcluding": "8.0.3",
"versionStartIncluding": "8.0.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AC20942B-35AD-4EF5-8878-6E112865E3D5",
"versionEndExcluding": "8.1.2",
"versionStartIncluding": "8.1.0"
}
],
"operator": "OR"
}
]
}
]