CVE-2016-2194 (GCVE-0-2016-2194)
Vulnerability from cvelistv5 – Published: 2016-05-13 14:00 – Updated: 2024-08-05 23:24
VLAI
EPSS
VEX
Summary
The ressol function in Botan before 1.10.11 and 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (infinite loop) via unspecified input to the OS2ECP function, related to a composite modulus.
Severity
7.5 (High)
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| http://marc.info/?l=botan-devel&m=145435148602911&w=2 | mailing-listx_refsource_MLIST |
| http://marc.info/?l=botan-devel&m=145449001708138&w=2 | mailing-listx_refsource_MLIST |
| http://www.debian.org/security/2016/dsa-3565 | vendor-advisoryx_refsource_DEBIAN |
| https://security.gentoo.org/glsa/201612-38 | vendor-advisoryx_refsource_GENTOO |
| http://botan.randombit.net/security.html | x_refsource_CONFIRM |
Date Public
2016-02-01 00:00
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"criteria": "cpe:2.3:a:botan_project:botan:1.11.13:*:*:*:*:*:*:*",
"matchCriteriaId": "D55DBFAF-48C1-412C-B56D-EBD7EC82588A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.14:*:*:*:*:*:*:*",
"matchCriteriaId": "2EBAC97E-B04F-48EA-87C8-62FD14B0E759",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.15:*:*:*:*:*:*:*",
"matchCriteriaId": "4A00B6F0-7DCC-46D4-818A-F17BFAF18E9A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.16:*:*:*:*:*:*:*",
"matchCriteriaId": "61529353-E862-44AD-84EC-778B65C88112",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.17:*:*:*:*:*:*:*",
"matchCriteriaId": "B683D891-9A15-40F5-82B0-5B16359330F3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.18:*:*:*:*:*:*:*",
"matchCriteriaId": "F3EE4374-31D9-4E68-A700-AFF590F37283",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.19:*:*:*:*:*:*:*",
"matchCriteriaId": "7F536ECD-C3D9-4997-A936-7E415A670E69",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.20:*:*:*:*:*:*:*",
"matchCriteriaId": "CF026C4E-FEAE-47A1-A3CA-330DBE6250ED",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.21:*:*:*:*:*:*:*",
"matchCriteriaId": "BA36F817-A50B-40E6-811B-B331BA2229A6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.22:*:*:*:*:*:*:*",
"matchCriteriaId": "80F7E018-B544-4A7F-ABE1-737988AE0382",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.23:*:*:*:*:*:*:*",
"matchCriteriaId": "FD7CD5BD-2938-4C79-95A7-96AC1BB037A9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.24:*:*:*:*:*:*:*",
"matchCriteriaId": "49D16EDE-885C-450F-85AD-3F49ABA6C340",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.25:*:*:*:*:*:*:*",
"matchCriteriaId": "436B72BE-9E39-46F0-869A-C18B74EB1217",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:botan_project:botan:1.11.26:*:*:*:*:*:*:*",
"matchCriteriaId": "E4107FF3-20B0-4D9D-9555-2022E48D91A3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The ressol function in Botan before 1.10.11 and 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (infinite loop) via unspecified input to the OS2ECP function, related to a composite modulus."
},
{
"lang": "es",
"value": "La funci\u00f3n ressol en Botan en versiones anteriores a 1.10.11 y 1.11.x versiones anteriores a 1.11.27 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (bucle infinito) a trav\u00e9s de una entrada no especificada a la funci\u00f3n OS2ECP, relacionada con un m\u00f3dulo composite."
}
],
"id": "CVE-2016-2194",
"lastModified": "2026-05-06T22:30:45.220",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": true,
"baseSeverity": "MEDIUM",
"cvssData": {
"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,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/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,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-05-13T14:59:07.697",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://botan.randombit.net/security.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://marc.info/?l=botan-devel\u0026m=145435148602911\u0026w=2"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://marc.info/?l=botan-devel\u0026m=145449001708138\u0026w=2"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2016/dsa-3565"
},
{
"source": "cve@mitre.org",
"url": "https://security.gentoo.org/glsa/201612-38"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://botan.randombit.net/security.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://marc.info/?l=botan-devel\u0026m=145435148602911\u0026w=2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://marc.info/?l=botan-devel\u0026m=145449001708138\u0026w=2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2016/dsa-3565"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/201612-38"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-01-09T09:02:46+00:00",
"cve": "CVE-2016-2194",
"id": "CVE-2016-2194",
"initial_release_date": "2016-02-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "botan: various flaws fixed in 1.11.27 and 1.10.11",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-2194.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-05-09T03:05:57Z",
"cve": "CVE-2016-2194",
"id": "CVE-2016-2194",
"initial_release_date": "2023-02-15T05:06:18Z",
"product_status:known_affected": "9",
"product_status:known_not_affected": "36",
"product_status:recommended": "42",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2016-2194",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-2194.json",
"version": "10"
}
}
}
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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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