CVE-2009-2422 (GCVE-0-2009-2422)
Vulnerability from cvelistv5 – Published: 2009-07-10 15:00 – Updated: 2024-08-07 05:52
VLAI
EPSS
VEX
Summary
The example code for the digest authentication functionality (http_authentication.rb) in Ruby on Rails before 2.3.3 defines an authenticate_or_request_with_http_digest block that returns nil instead of false when the user does not exist, which allows context-dependent attackers to bypass authentication for applications that are derived from this example by sending an invalid username without a password.
Severity
9.8 (Critical)
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://secunia.com/advisories/35702 | third-party-advisoryx_refsource_SECUNIA |
| http://www.securityfocus.com/bid/35579 | vdb-entryx_refsource_BID |
| http://lists.apple.com/archives/security-announce… | vendor-advisoryx_refsource_APPLE |
| http://weblog.rubyonrails.org/2009/6/3/security-p… | x_refsource_CONFIRM |
| http://www.vupen.com/english/advisories/2009/1802 | vdb-entryx_refsource_VUPEN |
| http://support.apple.com/kb/HT4077 | x_refsource_CONFIRM |
| http://n8.tumblr.com/post/117477059/security-hole… | x_refsource_MISC |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
Date Public
2009-06-03 00:00
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"Mailing List"
],
"url": "http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch"
],
"url": "http://n8.tumblr.com/post/117477059/security-hole-found-in-rails-2-3s"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/35702"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://support.apple.com/kb/HT4077"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://weblog.rubyonrails.org/2009/6/3/security-problem-with-authenticate_with_http_digest"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Patch",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/35579"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Patch",
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2009/1802"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51528"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-11-21T13:11:24+00:00",
"cve": "CVE-2009-2422",
"id": "CVE-2009-2422",
"initial_release_date": "2009-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "rubygem-actionpack: authenticate_with_http_digest authentication bypass",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-2422.json",
"version": "3"
}
}
}
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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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