CVE-2011-2483 (GCVE-0-2011-2483)
Vulnerability from cvelistv5 – Published: 2011-08-25 14:00 – Updated: 2024-08-06 23:00
VLAI
EPSS
VEX
Summary
crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
22 references
Date Public
2011-06-21 00:00
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-310\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2011-2483\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2011-08-25T14:22:44.913\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.\"},{\"lang\":\"es\",\"value\":\"crypt_blowfish en versiones anteriores a 1.1, como se utiliza en PHP en versiones anteriores a 5.3.7 en ciertas plataformas, PostgreSQL en versiones anteriores a 8.4.9 y otros productos, no maneja adecuadamente caracteres de 8-bit, lo que hace m\u00e1s f\u00e1cil a atacantes dependientes de contexto determinar una contrase\u00f1a en texto plano aprovechando el conocimiento del hash de una contrase\u00f1a.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-310\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.3.7\",\"matchCriteriaId\":\"E3B3570E-0C63-47E7-B9F1-3580FE638EBD\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.2.0\",\"versionEndExcluding\":\"8.2.22\",\"matchCriteriaId\":\"5133F766-D0DC-49A9-A2BC-3109A40F147A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.3.0\",\"versionEndExcluding\":\"8.3.16\",\"matchCriteriaId\":\"6688FCE5-4C30-47AC-8780-52F20AFE9916\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.4.0\",\"versionEndExcluding\":\"8.4.9\",\"matchCriteriaId\":\"6BE21A26-98F2-4A2B-BE67-052377A46528\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.0.0\",\"versionEndExcluding\":\"9.0.5\",\"matchCriteriaId\":\"65CDFDE3-89F6-4961-8675-123D9D9D2471\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openwall:crypt_blowfish:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.1\",\"matchCriteriaId\":\"ACD2AEEE-B6B8-4F39-B3B3-2C52521AAB1C\"}]}]}],\"references\":[{\"url\":\"http://freshmeat.net/projects/crypt_blowfish\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Broken 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-01-28T22:51:46+00:00",
"cve": "CVE-2011-2483",
"id": "CVE-2011-2483",
"initial_release_date": "2011-06-20T00:00:00+00:00",
"product_status:fixed": "1201",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "crypt_blowfish: 8-bit character mishandling allows different password pairs to produce the same hash",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-2483.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-06T00:02:59Z",
"cve": "CVE-2011-2483",
"id": "CVE-2011-2483",
"initial_release_date": "2023-02-15T05:52:35Z",
"product_status:recommended": "266",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-2483",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-2483.json",
"version": "19"
}
}
}
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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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