2023-06-15 23:55:37 +00:00

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{
"id": "CVE-2023-32731",
"sourceIdentifier": "cve-coordination@google.com",
"published": "2023-06-09T11:15:09.303",
"lastModified": "2023-06-15T22:18:49.193",
"vulnStatus": "Analyzed",
"descriptions": [
{
"lang": "en",
"value": "When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in\u00a0 https://github.com/grpc/grpc/pull/33005 https://github.com/grpc/grpc/pull/33005 \n"
}
],
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
},
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"privilegesRequired": "NONE",
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"integrityImpact": "NONE",
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"baseScore": 7.4,
"baseSeverity": "HIGH"
},
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}
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"type": "Primary",
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"value": "NVD-CWE-Other"
}
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},
{
"source": "cve-coordination@google.com",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-440"
}
]
}
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"negate": false,
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"criteria": "cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*",
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"source": "cve-coordination@google.com",
"tags": [
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}