GSD-2017-2646
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2017-2646",
"description": "It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.",
"id": "GSD-2017-2646"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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],
"details": "It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.",
"id": "GSD-2017-2646",
"modified": "2023-12-13T01:21:05.883828Z",
"schema_version": "1.4.0"
}
},
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{
"product": {
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"version": {
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}
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},
"impact": {
"cvss": [
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{
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"advisories": [
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"cwe_ids": [
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"CWE-835",
"CWE-937"
],
"date": "2021-09-14",
"description": "It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.",
"fixed_versions": [
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],
"identifier": "CVE-2017-2646",
"identifiers": [
"GHSA-jc6q-27mw-p55w",
"CVE-2017-2646"
],
"not_impacted": "All versions starting from 2.5.5",
"package_slug": "maven/org.keycloak/keycloak-core",
"pubdate": "2018-10-18",
"solution": "Upgrade to version 2.5.5 or above.",
"title": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2017-2646",
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"uuid": "33c401a5-ba22-4e31-8550-7566b3455a35"
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"cwe_ids": [
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"CWE-937"
],
"date": "2019-10-09",
"description": "When Keycloak receives a Logout request in the middle of the request, the `SAMLSloRequestParser.parse()` method ends in an infinite loop. An attacker could use this flaw to conduct denial of service attacks.",
"fixed_versions": [
"2.5.5"
],
"identifier": "CVE-2017-2646",
"identifiers": [
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],
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"package_slug": "npm/keycloak-connect",
"pubdate": "2018-07-27",
"solution": "Upgrade to version 2.5.5 or above.",
"title": "Loop with Unreachable Exit Condition (Infinite Loop)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2017-2646",
"http://www.securityfocus.com/bid/96882",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646"
],
"uuid": "9e73ab40-b6ca-4936-8adc-1ceeb3f05c9a"
}
]
},
"nvd.nist.gov": {
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"nodes": [
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"cpe_name": [],
"versionEndExcluding": "2.5.5",
"vulnerable": true
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"operator": "OR"
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"description": {
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"references": {
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646"
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},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2019-10-09T23:27Z",
"publishedDate": "2018-07-27T18:29Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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