Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

x/vulndb: potential Go vuln in github.com/grpc/grpc: CVE-2023-32731 #1847

Closed
GoVulnBot opened this issue Jun 9, 2023 · 2 comments
Closed
Assignees
Labels
excluded: NOT_GO_CODE This vulnerability does not refer to a Go module.

Comments

@GoVulnBot
Copy link

CVE-2023-32731 references github.com/grpc/grpc, which may be a Go module.

Description:
When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in  grpc/grpc#32309 grpc/grpc#32309

References:

Cross references:
No existing reports found with this module or alias.

See doc/triage.md for instructions on how to triage this report.

modules:
    - module: github.com/grpc/grpc
      packages:
        - package: gRPC
description: "When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in  https://github.com/grpc/grpc/pull/32309 https://github.com/grpc/grpc/pull/32309 \n\n"
cves:
    - CVE-2023-32731
references:
    - fix: https://github.com/grpc/grpc/pull/32309

@neild neild self-assigned this Jun 14, 2023
@neild neild added the excluded: NOT_GO_CODE This vulnerability does not refer to a Go module. label Jun 14, 2023
@neild
Copy link
Contributor

neild commented Jun 14, 2023

C++, not Go.

@gopherbot
Copy link
Contributor

Change https://go.dev/cl/503837 mentions this issue: data/excluded: batch add 21 excluded reports

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
excluded: NOT_GO_CODE This vulnerability does not refer to a Go module.
Projects
None yet
Development

No branches or pull requests

3 participants