CVE-2018-0737 (GCVE-0-2018-0737)
Vulnerability from cvelistv5 – Published: 2018-04-16 17:00 – Updated: 2024-09-17 03:53
VLAI
Title
Cache timing vulnerability in RSA Key Generation
Summary
The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o).
Severity
No CVSS data available.
CWE
- Constant time issue
Assigner
References
34 references
Impacted products
Date Public
2018-04-16 00:00
Credits
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"url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"
},
{
"name": "https://www.tenable.com/security/tns-2018-14",
"refsource": "CONFIRM",
"url": "https://www.tenable.com/security/tns-2018-14"
},
{
"name": "https://securityadvisories.paloaltonetworks.com/Home/Detail/133",
"refsource": "CONFIRM",
"url": "https://securityadvisories.paloaltonetworks.com/Home/Detail/133"
},
{
"name": "https://www.tenable.com/security/tns-2018-13",
"refsource": "CONFIRM",
"url": "https://www.tenable.com/security/tns-2018-13"
},
{
"name": "https://www.tenable.com/security/tns-2018-17",
"refsource": "CONFIRM",
"url": "https://www.tenable.com/security/tns-2018-17"
},
{
"name": "https://www.tenable.com/security/tns-2018-12",
"refsource": "CONFIRM",
"url": "https://www.tenable.com/security/tns-2018-12"
},
{
"name": "https://nodejs.org/en/blog/vulnerability/august-2018-security-releases/",
"refsource": "CONFIRM",
"url": "https://nodejs.org/en/blog/vulnerability/august-2018-security-releases/"
},
{
"name": "https://www.oracle.com//security-alerts/cpujul2021.html",
"refsource": "MISC",
"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
},
{
"name": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=349a41da1ad88ad87825414752a8ff5fdd6a6c3f",
"refsource": "CONFIRM",
"url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=349a41da1ad88ad87825414752a8ff5fdd6a6c3f"
},
{
"name": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=6939eab03a6e23d2bd2c3f5e34fe1d48e542e787",
"refsource": "CONFIRM",
"url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=6939eab03a6e23d2bd2c3f5e34fe1d48e542e787"
},
{
"name": "https://www.openssl.org/news/secadv/20180416.txt",
"refsource": "CONFIRM",
"url": "https://www.openssl.org/news/secadv/20180416.txt"
},
{
"name": "https://security.netapp.com/advisory/ntap-20180726-0003/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20180726-0003/"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
"assignerShortName": "openssl",
"cveId": "CVE-2018-0737",
"datePublished": "2018-04-16T17:00:00.000Z",
"dateReserved": "2017-11-30T00:00:00.000Z",
"dateUpdated": "2024-09-17T03:53:55.729Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2018-0737",
"date": "2026-05-28",
"epss": "0.38121",
"percentile": "0.9729"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2018-0737\",\"sourceIdentifier\":\"openssl-security@openssl.org\",\"published\":\"2018-04-16T18:29:00.267\",\"lastModified\":\"2024-11-21T03:38:50.663\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o).\"},{\"lang\":\"es\",\"value\":\"Se ha demostrado que el algoritmo de generaci\u00f3n de claves RSA en OpenSSL es vulnerable a un ataque de sincronizaci\u00f3n de canal lateral de cach\u00e9. Un atacante con acceso suficiente para montar ataques de sincronizaci\u00f3n de cach\u00e9 durante el proceso de generaci\u00f3n de claves RSA podr\u00eda recuperar la clave privada. Se ha solucionado en OpenSSL 1.1.0i-dev (afecta a 1.1.0-1.1.0h). Se ha solucionado en OpenSSL 1.0.2p-dev (afecta a 1.0.2b-1.0.2o).\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:N/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"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-327\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.0.2b\",\"versionEndIncluding\":\"1.0.2o\",\"matchCriteriaId\":\"E14A0A5C-7968-4966-B32C-FAFB42644B4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.1.0\",\"versionEndIncluding\":\"1.1.0h\",\"matchCriteriaId\":\"BF986111-5DDB-4BC8-AF03-14626778AB23\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9070C9D8-A14A-467F-8253-33B966C16886\"}]}]}],\"references\":[{\"url\":\"http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"http://www.securityfocus.com/bid/103766\",\"source\":\"openssl-security@openssl.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1040685\",\"source\":\"openssl-security@openssl.org\",\"tags\":[\"Third Party Advisory\",\"VDB 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}
}
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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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