CVE-2023-28837
Vulnerability from cvelistv5
Published
2023-04-03 16:41
Modified
2024-08-02 13:51
Severity ?
EPSS score ?
Summary
Wagtail vulnerable to denial-of-service via memory exhaustion when uploading large files
References
Impacted products
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Prior to versions 4.1.4 and 4.2.2, a memory exhaustion bug exists in Wagtail\u0027s handling of uploaded images and documents. For both images and documents, files are loaded into memory during upload for additional processing. A user with access to upload images or documents through the Wagtail admin interface could upload a file so large that it results in a crash of denial of service.\n\nThe vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. It can only be exploited by admin users with permission to upload images or documents.\n\nImage uploads are restricted to 10MB by default, however this validation only happens on the frontend and on the backend after the vulnerable code. \n\nPatched versions have been released as Wagtail 4.1.4 and Wagtail 4.2.2). Site owners who are unable to upgrade to the new versions are encouraged to add extra protections outside of Wagtail to limit the size of uploaded files." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-770", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-04-03T16:41:19.467Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9" }, { "name": "https://github.com/wagtail/wagtail/commit/3c0c64642b9e5b8d28b111263c7f4bddad6c3880", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/wagtail/wagtail/commit/3c0c64642b9e5b8d28b111263c7f4bddad6c3880" }, { "name": "https://github.com/wagtail/wagtail/commit/c9d2fcd650a88d76ae122646142245e5927a9165", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/wagtail/wagtail/commit/c9d2fcd650a88d76ae122646142245e5927a9165" }, { "name": "https://github.com/wagtail/wagtail/commit/cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/wagtail/wagtail/commit/cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf" }, { "name": "https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a" }, { "name": "https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size", "tags": [ "x_refsource_MISC" ], "url": "https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size" }, { "name": "https://github.com/wagtail/wagtail/releases/tag/v4.1.4", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/wagtail/wagtail/releases/tag/v4.1.4" }, { "name": "https://github.com/wagtail/wagtail/releases/tag/v4.2.2", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/wagtail/wagtail/releases/tag/v4.2.2" } ], "source": { "advisory": "GHSA-33pv-vcgh-jfg9", "discovery": "UNKNOWN" }, "title": "Wagtail vulnerable to denial-of-service via memory exhaustion when uploading large files" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2023-28837", "datePublished": "2023-04-03T16:41:19.467Z", "dateReserved": "2023-03-24T16:25:34.465Z", "dateUpdated": "2024-08-02T13:51:38.627Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-28837\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2023-04-03T17:15:07.030\",\"lastModified\":\"2023-11-07T04:10:54.887\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Wagtail is an open source content management system built on Django. 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Site owners who are unable to upgrade to the new versions are encouraged to add extra protections outside of Wagtail to limit the size of uploaded files.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":4.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.2,\"impactScore\":3.6},{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":4.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.2,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"},{\"lang\":\"en\",\"value\":\"CWE-770\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torchbox:wagtail:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.1.4\",\"matchCriteriaId\":\"764BBD94-5ED5-4206-A7E7-7AD763A592B3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torchbox:wagtail:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.2\",\"versionEndExcluding\":\"4.2.2\",\"matchCriteriaId\":\"0B1B8BD9-78D3-4032-95EB-E0FFF890198D\"}]}]}],\"references\":[{\"url\":\"https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Product\"]},{\"url\":\"https://github.com/wagtail/wagtail/commit/3c0c64642b9e5b8d28b111263c7f4bddad6c3880\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/wagtail/wagtail/commit/c9d2fcd650a88d76ae122646142245e5927a9165\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/wagtail/wagtail/commit/cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/wagtail/wagtail/releases/tag/v4.1.4\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/wagtail/wagtail/releases/tag/v4.2.2\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Mitigation\",\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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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.