CVE-2021-36153 — HIGH (7.5)

Vulnerability Description

Mismanaged state in GRPCWebToHTTP2ServerCodec.swift in gRPC Swift 1.1.0 and 1.1.1 allows remote attackers to deny service by sending malformed requests.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linuxfoundation	Grpc Swift	1.1.0

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35267Mailing ListThird Party Advisory
https://github.com/grpc/grpc-swift/releasesRelease NotesThird Party Advisory
https://github.com/grpc/grpc-swift/security/advisories/GHSA-2jx2-qcm4-rf9hThird Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35267Mailing ListThird Party Advisory
https://github.com/grpc/grpc-swift/releasesRelease NotesThird Party Advisory
https://github.com/grpc/grpc-swift/security/advisories/GHSA-2jx2-qcm4-rf9hThird Party Advisory

FAQ

What is CVE-2021-36153?

CVE-2021-36153 is a vulnerability with a CVSS score of 7.5 (HIGH). Mismanaged state in GRPCWebToHTTP2ServerCodec.swift in gRPC Swift 1.1.0 and 1.1.1 allows remote attackers to deny service by sending malformed requests.

How severe is CVE-2021-36153?

CVE-2021-36153 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-36153?

Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Grpc Swift.