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Auto-merge PR#4970

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Auto-merge PR#4970
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CVE Team 2020-10-05 14:30:19 -04:00 committed by GitHub
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2020/15xxx/CVE-2020-15237.json
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{ {
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": { "CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2020-15237", "ID": "CVE-2020-15237",
"ASSIGNER": "cve@mitre.org", "STATE": "PUBLIC",
"STATE": "RESERVED" "TITLE": "Timing attack in Shrine"
}, },
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "shrine",
"version": {
"version_data": [
{
"version_value": "< 3.3.0"
}
]
}
}
]
},
"vendor_name": "shrinerb"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": { "description": {
"description_data": [ "description_data": [
{ {
"lang": "eng", "lang": "eng",
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided." "value": "In Shrine before version 3.3.0, when using the `derivation_endpoint` plugin, it's possible for the attacker to use a timing attack to guess the signature of the derivation URL.\nThe problem has been fixed by comparing sent and calculated signature in constant time, using `Rack::Utils.secure_compare`. Users using the `derivation_endpoint` plugin are urged to upgrade to Shrine 3.3.0 or greater.\nA possible workaround is provided in the linked advisory."
} }
] ]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "{\"CWE-208\":\"Observable Timing Discrepancy\"}"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "{\"CWE-203\":\"Observable Differences in Behavior to Error Inputs\"}"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/shrinerb/shrine/security/advisories/GHSA-5jjv-x4fq-qjwp",
"refsource": "CONFIRM",
"url": "https://github.com/shrinerb/shrine/security/advisories/GHSA-5jjv-x4fq-qjwp"
},
{
"name": "https://github.com/shrinerb/shrine/commit/1b27090ce31543bf39f186c20ea47c8250fca2f0",
"refsource": "MISC",
"url": "https://github.com/shrinerb/shrine/commit/1b27090ce31543bf39f186c20ea47c8250fca2f0"
}
]
},
"source": {
"advisory": "GHSA-5jjv-x4fq-qjwp",
"discovery": "UNKNOWN"
} }
} }