CVE-2017-18871

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Source
https://cve.org/CVERecord?id=CVE-2017-18871
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18871.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-18871
Aliases
Downstream
Related
Published
2020-06-19T17:15:11Z
Modified
2026-10-24T10:30:43Z
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

An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.

References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
967838fb60f1a9010b3c6aa7cd64835a0f484cb1
Introduced
8966452d1183e94fecc373b9d08c65a0573cbbc6
Fixed
8f6bb1570dd234c63de5241eff9fbb268aad358c
Introduced
a0017f184578d4d6250a9b54b50e656524078949
Fixed
3890bc7079bf21330efdc45ae2741a4392d99e3c
Introduced
5358b9c42cc99f72e7844062f28b2ddc3642a339
Last Affected
03f5c939deb4a6ab2fd01639b5570799e4118bab
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "4.2.2"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "4.3.0"
                },
                {
                    "fixed": "4.3.4"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "4.4.0"
                },
                {
                    "fixed": "4.4.5"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc1:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "4.5.0-rc1"
                },
                {
                    "last_affected": "4.5.0-rc1"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpe": "cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc2:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "4.5.0-rc2"
                },
                {
                    "last_affected": "4.5.0-rc2"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpe": "cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc3:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "4.5.0-rc3"
                },
                {
                    "last_affected": "4.5.0-rc3"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpe": "cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc4:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "4.5.0-rc4"
                },
                {
                    "last_affected": "4.5.0-rc4"
                }
            ],
            "source": "CPE_STRING"
        }
    ]
}

Affected versions

4.*
4.5.0-rc1
4.5.0-rc2
v0.*
v0.5.0
v4.*
v4.2.0
v4.2.0-rc1
v4.2.0-rc2
v4.2.0-rc3
v4.2.0-rc4
v4.2.1
v4.2.1-rc1
v4.3.0
v4.3.0-rc3
v4.3.0-rc4
v4.3.1
v4.3.1-rc1
v4.3.1-rc2
v4.3.2
v4.3.2-rc1
v4.4.0
v4.4.0-rc4
v4.4.0-rc5
v4.4.1
v4.4.1-rc1
v4.4.2
v4.4.2-rc1
v4.4.3
v4.4.3-rc1
v4.5.0
v4.5.0-rc1
v4.5.0-rc2
v4.5.0-rc3
v4.5.0-rc4
v4.5.1
v4.5.1-rc1
v4.5.2
v4.5.2-rc1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18871.json"