cve-2022-23476
Vulnerability from cvelistv5
Published
2022-12-08 03:03
Modified
2024-08-03 03:43
Severity ?
EPSS score ?
Summary
Unchecked return value from xmlTextReaderExpand in Nokogiri
References
Impacted products
▼ | Vendor | Product |
---|---|---|
sparklemotion | nokogiri |
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Nokogiri `1.13.8` and `1.13.9` fail to check the return value from `xmlTextReaderExpand` in the method `Nokogiri::XML::Reader#attribute_hash`. This can lead to a null pointer exception when invalid markup is being parsed. For applications using `XML::Reader` to parse untrusted inputs, this may potentially be a vector for a denial of service attack. Users are advised to upgrade to Nokogiri `\u003e= 1.13.10`. Users may be able to search their code for calls to either `XML::Reader#attributes` or `XML::Reader#attribute_hash` to determine if they are affected." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-252", "description": "CWE-252: Unchecked Return Value", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-476", "description": "CWE-476: NULL Pointer Dereference", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-12-08T03:03:24.572Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-qv4q-mr5r-qprj", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-qv4q-mr5r-qprj" }, { "name": "https://github.com/sparklemotion/nokogiri/commit/85410e38410f670cbbc8c5b00d07b843caee88ce", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/sparklemotion/nokogiri/commit/85410e38410f670cbbc8c5b00d07b843caee88ce" }, { "name": "https://github.com/sparklemotion/nokogiri/commit/9fe0761c47c0d4270d1a5220cfd25de080350d50", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/sparklemotion/nokogiri/commit/9fe0761c47c0d4270d1a5220cfd25de080350d50" } ], "source": { "advisory": "GHSA-qv4q-mr5r-qprj", "discovery": "UNKNOWN" }, "title": "Unchecked return value from xmlTextReaderExpand in Nokogiri" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-23476", "datePublished": "2022-12-08T03:03:24.572Z", "dateReserved": "2022-01-19T21:23:53.758Z", "dateUpdated": "2024-08-03T03:43:46.006Z", "requesterUserId": "c184a3d9-dc98-4c48-a45b-d2d88cf0ac74", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2022-23476\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2022-12-08T04:15:09.043\",\"lastModified\":\"2022-12-10T03:10:55.453\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Nokogiri is an open source XML and HTML library for the Ruby programming language. 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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.