Vulnerability Details : 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.
Products affected by CVE-2021-36154
- cpe:2.3:a:linuxfoundation:grpc_swift:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:linuxfoundation:grpc_swift:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:linuxfoundation:grpc_swift:1.1.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-36154
0.55%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-36154
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-36154
-
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-36154
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274
Inloggen - Google AccountsMailing List;Third Party Advisory
-
https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw
Uncontrolled Recursion in HTTP2ToRawGRPCServerCodec · Advisory · grpc/grpc-swift · GitHubThird Party Advisory
-
https://github.com/grpc/grpc-swift/releases
Releases · grpc/grpc-swift · GitHubRelease Notes;Third Party Advisory
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