Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Grpc Swift | 1.0.0 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274Mailing ListThird Party Advisory
- https://github.com/grpc/grpc-swift/releasesRelease NotesThird Party Advisory
- https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gwThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274Mailing ListThird Party Advisory
- https://github.com/grpc/grpc-swift/releasesRelease NotesThird Party Advisory
- https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gwThird Party Advisory
FAQ
What is CVE-2021-36154?
CVE-2021-36154 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 Recursio...
How severe is CVE-2021-36154?
CVE-2021-36154 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-2021-36154?
Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Grpc Swift.