Vulnerability Monitor

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CVE-2021-36154

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.

Published

2021-07-09T12:15:08.097

Last Modified

2024-11-21T06:13:12.783

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-674

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	linuxfoundation	grpc_swift	1.0.0	Yes
Application	linuxfoundation	grpc_swift	1.1.0	Yes
Application	linuxfoundation	grpc_swift	1.1.1	Yes

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274 Mailing List, Third Party Advisory ([email protected])
https://github.com/grpc/grpc-swift/releases Release Notes, Third Party Advisory ([email protected])
https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw Third Party Advisory ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/grpc/grpc-swift/releases Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)