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CVE-2021-36154

Good to know:

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Date: July 9, 2021

HTTP2ToRawGRPCServerCodec in gRPC Swift 1.1.1 and earlier allows remote attackers to deny service via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption.

Language: Swift

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2021-36154
https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw
https://github.com/grpc/grpc-swift/releases
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274
https://www.mend.io/vulnerability-database/CVE-2021-36154

Severity Score

Weakness Type (CWE)

Uncontrolled Recursion

CWE-674

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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