FKIE_CVE-2015-7511
Vulnerability from fkie_nvd - Published: 2016-04-19 21:59 - Updated: 2026-06-17 00:32
Severity
Summary
Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| gnupg | libgcrypt | * | |
| debian | debian_linux | 7.0 | |
| debian | debian_linux | 8.0 | |
| canonical | ubuntu_linux | 12.04 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 15.10 |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
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"matchCriteriaId": "B83EE536-47B2-4A63-B2FA-A4716E239F69",
"versionEndIncluding": "1.6.4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
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"vulnerable": true
},
{
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"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
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}
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations."
},
{
"lang": "es",
"value": "Libgcrypt en versiones anteriores a 1.6.5 no lleva a cabo correctamente la multiplicaci\u00f3n de curva de puntos el\u00edpticos durante el descifrado, lo que facilita a atacantes f\u00edsicamente pr\u00f3ximos extrarer claves ECDH mediante la lectura de las emanaciones electromagn\u00e9ticas."
}
],
"id": "CVE-2015-7511",
"lastModified": "2026-06-17T00:32:40.350",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 1.9,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "PHYSICAL",
"availabilityImpact": "NONE",
"baseScore": 2.0,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.0"
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"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-04-19T21:59:03.053",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00027.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.cs.tau.ac.IL/~tromer/ecdh/"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2016/dsa-3474"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2016/dsa-3478"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/83253"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/USN-2896-1"
},
{
"source": "secalert@redhat.com",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W2IL4PAEICHGA2XMQYRY3MIWHM4GMPAG/"
},
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "https://lists.gnupg.org/pipermail/gnupg-announce/2016q1/000384.html"
},
{
"source": "secalert@redhat.com",
"url": "https://security.gentoo.org/glsa/201610-04"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00027.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.cs.tau.ac.IL/~tromer/ecdh/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2016/dsa-3474"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2016/dsa-3478"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/83253"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-2896-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W2IL4PAEICHGA2XMQYRY3MIWHM4GMPAG/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://lists.gnupg.org/pipermail/gnupg-announce/2016q1/000384.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/201610-04"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
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- 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
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