Overview
- Description
- Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.
- 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:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BAEFCB9C-4CFC-4C2D-B53D-4A1E9B54E744",
"versionEndIncluding": "7.8.12"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7CFE72E8-D2A6-4994-88F6-2B04DB413631",
"versionEndIncluding": "8.1.3",
"versionStartIncluding": "8.0.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DF5E1B7D-7237-4464-9873-0A85C80CC76A",
"versionEndIncluding": "9.0.1",
"versionStartIncluding": "9.0.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:9.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9D960BDC-FB30-4112-B1CC-219D1EC32145"
}
],
"operator": "OR"
}
]
}
]