cve-2023-2831
Vulnerability from cvelistv5
Published
2023-06-16 09:06
Modified
2024-12-06 22:59
Severity ?
EPSS score ?
Summary
Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.
References
▼ | URL | Tags | |
---|---|---|---|
responsibledisclosure@mattermost.com | https://mattermost.com/security-updates/ | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://mattermost.com/security-updates/ | Vendor Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | Mattermost | Mattermost |
Version: 0 ≤ 7.1.9 Version: 0 ≤ 7.8.4 Version: 0 ≤ 7.9.3 Version: 7.10.0 |
|
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"Update Mattermost to version 7.1.10,\u0026nbsp;7.8.5, 7.9.4,\u0026nbsp;7.10.1\u0026nbsp;or higher.\u003cbr\u003e" } ], "value": "Update Mattermost to version 7.1.10,\u00a07.8.5, 7.9.4,\u00a07.10.1\u00a0or higher.\n" } ], "source": { "advisory": "MMSA-2023-00177", "defect": [ "https://mattermost.atlassian.net/browse/MM-52163" ], "discovery": "EXTERNAL" }, "title": "Denial of Service while unescaping a Markdown string", "x_generator": { "engine": "Vulnogram 0.1.0-dev" } } }, "cveMetadata": { "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "assignerShortName": "Mattermost", "cveId": "CVE-2023-2831", "datePublished": "2023-06-16T09:06:15.292Z", "dateReserved": "2023-05-22T09:30:20.884Z", "dateUpdated": "2024-12-06T22:59:43.137Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.