fkie_cve-2019-11727
Vulnerability from fkie_nvd
Published
2019-07-23 14:15
Modified
2024-11-21 04:21
Severity ?
Summary
A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox < 68.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BB53FE62-B5D2-497B-A7E3-40FFE81A9653",
"versionEndExcluding": "68.0",
"vulnerable": true
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox \u003c 68."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad donde es posible forzar a Network Security Services (NSS) para firmar CertificateVerify con firmas de PKCS#1 versi\u00f3n v1.5 cuando esas son las \u00fanicas anunciadas por el servidor en CertificateRequest en TLS versi\u00f3n 1.3. Las firmas de PKCS#1 versi\u00f3n v1.5 no deben ser usadas para mensajes de TLS versi\u00f3n 1.3. Esta vulnerabilidad afecta a Firefox anterior a versi\u00f3n 68."
}
],
"id": "CVE-2019-11727",
"lastModified": "2024-11-21T04:21:40.353",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
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"source": "nvd@nist.gov",
"type": "Primary",
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"baseScore": 5.3,
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"confidentialityImpact": "NONE",
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"scope": "UNCHANGED",
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"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
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"published": "2019-07-23T14:15:16.450",
"references": [
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"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"
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{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"
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"tags": [
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"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-295"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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