CVE-2018-15311 (GCVE-0-2018-15311)
Vulnerability from cvelistv5 – Published: 2018-10-10 14:00 – Updated: 2024-09-16 23:05
VLAI
EPSS
VEX
Summary
When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected customers will be on 13.1.x. LRO has been available since 11.4.0 but is not enabled by default until 13.1.0.
Severity
5.9 (Medium)
CWE
- DoS
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K07550539 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| F5 Networks, Inc. | BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator) |
Affected:
13.0.0-13.1.0.5
Affected: 12.1.0-12.1.3.5 Affected: 11.6.0-11.6.3.2 Affected: 11.5.1-11.5.6 |
guessed |
Date Public
2018-10-09 00:00
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"criteria": "cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D3464E75-D419-4D3E-89EE-3BE571A388F4",
"versionEndIncluding": "11.6.3.2",
"versionStartIncluding": "11.6.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "AEF7AC47-D128-4282-846B-4408B12AAC09",
"versionEndIncluding": "12.1.3.5",
"versionStartIncluding": "12.1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A97847E9-D6BB-4EA9-9CED-1FA868B35B94",
"versionEndIncluding": "13.1.0.5",
"versionStartIncluding": "13.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*",
"matchCriteriaId": "25E4F494-73FC-4755-9946-1C631F7C3640",
"versionEndIncluding": "11.5.6",
"versionStartIncluding": "11.5.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*",
"matchCriteriaId": "15044BE6-FEC9-4325-9EA1-0665FF5F7C36",
"versionEndIncluding": "11.6.3.2",
"versionStartIncluding": "11.6.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*",
"matchCriteriaId": "1869E130-99D1-4E15-8BF7-275EF9A20D7F",
"versionEndIncluding": "12.1.3.5",
"versionStartIncluding": "12.1.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0E88E927-3C8E-481A-9447-00082BD73601",
"versionEndIncluding": "13.1.0.5",
"versionStartIncluding": "13.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected customers will be on 13.1.x. LRO has been available since 11.4.0 but is not enabled by default until 13.1.0."
},
{
"lang": "es",
"value": "Cuando F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2 o 11.5.1-11.5.6 est\u00e1 procesando tr\u00e1fico TCP especialmente manipulado con la caracter\u00edstica Large Receive Offload (LRO) habilitada, TMM podr\u00eda cerrarse inesperadamente, conduciendo a un evento \"failover\". Esta vulnerabilidad no est\u00e1 expuesta a menos que LRO est\u00e9 habilitado, por lo que la mayor parte de clientes afectados estar\u00e1n en las versiones 13.1.x. LRO ha estado disponible desde la versi\u00f3n 11.4.0, pero no est\u00e1 habilitada por defecto hasta la versi\u00f3n 13.1.0."
}
],
"id": "CVE-2018-15311",
"lastModified": "2024-11-21T03:50:31.993",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2018-10-10T14:29:00.387",
"references": [
{
"source": "f5sirt@f5.com",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://support.f5.com/csp/article/K07550539"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://support.f5.com/csp/article/K07550539"
}
],
"sourceIdentifier": "f5sirt@f5.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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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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