CVE-2023-40703

Source
https://cve.org/CVERecord?id=CVE-2023-40703
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-40703.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-40703
Aliases
Related
Published
2023-11-27T10:15:07.460Z
Modified
2026-03-13T07:44:04.319397Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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. 

References

Affected packages

Git / github.com/mattermost/mattermost-server

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost-server
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
Last affected
Introduced
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Database specific
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "7.8.12"
        },
        {
            "introduced": "8.0.0"
        },
        {
            "last_affected": "8.1.3"
        },
        {
            "introduced": "9.0.0"
        },
        {
            "last_affected": "9.0.1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.1.0"
        }
    ]
}

Affected versions

@mattermost/client@9.*
@mattermost/client@9.0.0
@mattermost/types@9.*
@mattermost/types@9.0.0
v9.*
v9.0.0
v9.0.0-rc2
v9.0.1
v9.0.1-rc1

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-40703.json"