Vulnerability Details : CVE-2023-32732
gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in https://github.com/grpc/grpc/pull/32309 https://www.google.com/url
Products affected by CVE-2023-32732
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-32732
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-32732
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
Google Inc. | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2023-32732
-
A feature, API, or function does not perform according to its specification.Assigned by: cve-coordination@google.com (Secondary)
References for CVE-2023-32732
-
https://github.com/grpc/grpc/pull/32309
[http2] Dont drop connections on metadata limit exceeded by ctiller · Pull Request #32309 · grpc/grpc · GitHubIssue Tracking;Patch
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/
[SECURITY] Fedora 37 Update: grpc-1.48.4-8.fc37 - package-announce - Fedora Mailing-ListsMailing List
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/
[SECURITY] Fedora 38 Update: grpc-1.48.4-8.fc38 - package-announce - Fedora Mailing-ListsMailing List
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