CVE-2013-6393 (GCVE-0-2013-6393)
Vulnerability from cvelistv5 – Published: 2014-02-06 22:00 – Updated: 2024-08-06 17:39
VLAI
EPSS
VEX
Summary
The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
21 references
Date Public
2013-11-24 00:00
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2013-6393\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2014-02-06T22:55:03.217\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n yaml_parser_scan_tag_uri en scanner.c en LibYAML anterior a 0.1.5 lleva a cabo un \\\"cast\\\" incorrecto, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) y probablemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de etiquetas manipuladas en YAML.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pyyaml:libyaml:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"0.1.4\",\"matchCriteriaId\":\"64CF0E49-704A-4190-9BA8-6332F1B12430\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pyyaml:libyaml:0.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F454F77-1AB1-44CF-8E1F-47BD71966CB8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pyyaml:libyaml:0.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F2A3FC6-ADD6-4890-A91E-7B42138CB1B4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pyyaml:libyaml:0.1.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A7892D90-243C-4588-92D0-F49B3443B3DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pyyaml:libyaml:0.1.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9759A8FD-7010-4D10-9E26-A03FDDDA187B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E2076871-2E80-4605-A470-A41C1A8EC7EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F61F047-129C-41A6-8A27-FFCBB8563E91\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:openstack:3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6533B15B-F748-4A5D-AB86-31D38DFAE60F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:openstack:4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1802FDB8-C919-4D5E-A8AD-4C5B72525090\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"036E8A89-7A16-411F-9D31-676313BB7244\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16F59A04-14CF-49E2-9973-645477EA09DA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4863BE36-D16A-4D75-90D9-FD76DB5B48B7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DE554781-1EB9-446E-911F-6C11970C47F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A10BC294-9196-425F-9FB0-B1625465B47F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"03117DF1-3BEC-4B8D-AD63-DBBDB2126081\"}]}]}],\"references\":[{\"url\":\"http://advisories.mageia.org/MGASA-2014-0040.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T08:25:00+00:00",
"cve": "CVE-2013-6393",
"id": "CVE-2013-6393",
"initial_release_date": "2013-01-01T00:00:00+00:00",
"product_status:fixed": "27",
"product_status:known_affected": "12",
"product_status:known_not_affected": "6",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libyaml: heap-based buffer overflow when parsing YAML tags",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-6393.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-02T09:08:17Z",
"cve": "CVE-2013-6393",
"id": "CVE-2013-6393",
"initial_release_date": "2023-02-15T05:34:18Z",
"product_status:known_affected": "320",
"product_status:known_not_affected": "68",
"product_status:recommended": "317",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2013-6393",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2013-6393.json",
"version": "43"
}
}
}
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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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