CVE-2023-2808
Vulnerability from cvelistv5
Published
2023-05-29 09:07
Modified
2024-08-02 06:33
Severity ?
EPSS score ?
Summary
Lack of URL normalization allows rendering previews for disallowed domains
References
▼ | URL | Tags | |
---|---|---|---|
responsibledisclosure@mattermost.com | https://mattermost.com/security-updates/ | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Mattermost | Mattermost |
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"descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\u003cdiv\u003eMattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.\u003c/div\u003e" } ], "value": "Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.\n\n" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-05-29T09:07:34.768Z", "orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost" }, "references": [ { "url": "https://mattermost.com/security-updates/" } ], "solutions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Update Mattermost to version v7.1.9, v7.8.4, v7.9.3, v7.10, or higher.\u003cbr\u003e" } ], "value": "Update Mattermost to version v7.1.9, v7.8.4, v7.9.3, v7.10, or higher.\n" } ], "source": { "advisory": "MMSA-2023-00159", "defect": [ "https://mattermost.atlassian.net/browse/MM-51442" ], "discovery": "EXTERNAL" }, "title": "Lack of URL normalization allows rendering previews for disallowed domains", "x_generator": { "engine": "Vulnogram 0.1.0-dev" } } }, "cveMetadata": { "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "assignerShortName": "Mattermost", "cveId": "CVE-2023-2808", "datePublished": "2023-05-29T09:07:34.768Z", "dateReserved": "2023-05-19T09:34:03.996Z", "dateUpdated": "2024-08-02T06:33:05.597Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-2808\",\"sourceIdentifier\":\"responsibledisclosure@mattermost.com\",\"published\":\"2023-05-29T10:15:10.083\",\"lastModified\":\"2023-06-05T16:33:44.327\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.\\n\\n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"responsibledisclosure@mattermost.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]},{\"source\":\"responsibledisclosure@mattermost.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.34.0\",\"versionEndExcluding\":\"7.1.9\",\"matchCriteriaId\":\"A414ED25-3A06-4485-A740-113DFBD3AAB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.2.0\",\"versionEndExcluding\":\"7.8.4\",\"matchCriteriaId\":\"468FF2BF-B5DC-4BFA-BF70-1B091644EE2A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.9.0\",\"versionEndExcluding\":\"7.9.3\",\"matchCriteriaId\":\"E3BB0D81-A5EE-4FC5-94AB-0DD0CA243904\"}]}]}],\"references\":[{\"url\":\"https://mattermost.com/security-updates/\",\"source\":\"responsibledisclosure@mattermost.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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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.