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[email protected]CVE-2021-36154

HistoryJul 09, 2021 - 12:15 p.m.

CVE-2021-36154

2021-07-0912:15:00

CWE-674

[email protected]

web.nvd.nist.gov

cve-2021-36154

http2torawgrpcservercodec

grpc swift

denial of service

uncontrolled recursion

nvd

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.005 Low

EPSS

Percentile

77.2%

JSON

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.

CPENameOperatorVersion
linuxfoundation:grpc_swiftlinuxfoundation grpc swifteq1.1.1
linuxfoundation:grpc_swiftlinuxfoundation grpc swifteq1.1.0
linuxfoundation:grpc_swiftlinuxfoundation grpc swifteq1.0.0

CPE	Name	Operator	Version
linuxfoundation:grpc_swift	linuxfoundation grpc swift	eq	1.1.1
linuxfoundation:grpc_swift	linuxfoundation grpc swift	eq	1.1.0
linuxfoundation:grpc_swift	linuxfoundation grpc swift	eq	1.0.0

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274

github.com/grpc/grpc-swift/releases

github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw

Social References

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.005 Low

EPSS

Percentile

77.2%

JSON

Related for CVE-2021-36154

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