fkie_cve-2020-27782
Vulnerability from fkie_nvd
Published
2021-02-23 19:15
Modified
2024-11-21 05:21
Severity ?
Summary
A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.
References
▶ | URL | Tags | |
---|---|---|---|
secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1901304 | Issue Tracking, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=1901304 | Issue Tracking, Vendor Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
redhat | jboss_fuse | 6.0.0 | |
redhat | jboss_fuse | 7.0.0 | |
redhat | openshift_application_runtimes | - | |
redhat | undertow | 2.0.33 | |
redhat | undertow | 2.1.5 | |
redhat | undertow | 2.2.3 |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:redhat:jboss_fuse:6.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "A305F012-544E-4245-9D69-1C8CD37748B1", "vulnerable": true }, { "criteria": "cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "B40CCE4F-EA2C-453D-BB76-6388767E5C6D", "vulnerable": true }, { "criteria": "cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*", "matchCriteriaId": "A33441B3-B301-426C-A976-08CE5FE72EFB", "vulnerable": true }, { "criteria": "cpe:2.3:a:redhat:undertow:2.0.33:sp2:*:*:*:*:*:*", "matchCriteriaId": "A2CDD487-FEA3-4471-B9F3-A2C24278DBF8", "vulnerable": true }, { "criteria": "cpe:2.3:a:redhat:undertow:2.1.5:sp1:*:*:*:*:*:*", "matchCriteriaId": "914B537C-9326-49DB-BED4-38203821613D", "vulnerable": true }, { "criteria": "cpe:2.3:a:redhat:undertow:2.2.3:sp1:*:*:*:*:*:*", "matchCriteriaId": "0022DD37-7025-469C-B855-B38D516D2C9B", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1." }, { "lang": "es", "value": "Se encontr\u00f3 un fallo en el conector AJP de Undertow.\u0026#xa0;Peticiones maliciosas y cierres de conexiones abruptas podr\u00edan ser desencadenadas por un atacante usando cadenas de consulta con caracteres que no cumplen con RFC, resultando en una denegaci\u00f3n de servicio.\u0026#xa0;La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema.\u0026#xa0;Esto afecta a Undertow versiones 2.1.5.SP1, 2.0.33.SP2 y 2.2.3.SP1" } ], "id": "CVE-2020-27782", "lastModified": "2024-11-21T05:21:49.550", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "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" }, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2021-02-23T19:15:13.150", "references": [ { "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Vendor Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901304" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Vendor Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901304" } ], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-400" } ], "source": "secalert@redhat.com", "type": "Primary" } ] }
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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.
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