Overview
- Description
- The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.
- Source
- responsibledisclosure@mattermost.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.5
- Impact score
- 3.6
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4
- Impact score
- 2.9
- Exploitability score
- 8
- Vector string
- AV:N/AC:L/Au:S/C:N/I:N/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "96B6BD54-39E8-46D0-9CF5-952C104881AA",
"versionEndIncluding": "6.3.8"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "54574FF7-8E64-4C4A-855D-716CB79C1B81",
"versionEndIncluding": "6.5.1",
"versionStartIncluding": "6.4.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:6.6.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6DB27A25-5C62-4DEF-8CE5-BFD0605D60F3"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:6.6.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F3CCC890-55C7-40B8-9FF8-F80811BD60A4"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:6.7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6E7308C7-2774-49E3-8136-EF304DBDB110"
}
],
"operator": "OR"
}
]
}
]