GHSA-cfgp-2977-2fmm

Suggest an improvement
Source
https://github.com/advisories/GHSA-cfgp-2977-2fmm
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/07/GHSA-cfgp-2977-2fmm/GHSA-cfgp-2977-2fmm.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-cfgp-2977-2fmm
Aliases
Related
Published
2023-07-05T19:12:51Z
Modified
2025-08-13T15:20:19.517640Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
Connection confusion in gRPC
Details

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.

Database specific 
{
    "nvd_published_at": "2023-06-09T11:15:09Z",
    "severity": "HIGH",
    "cwe_ids": [
        "CWE-440"
    ],
    "github_reviewed_at": "2023-07-05T20:26:48Z",
    "github_reviewed": true
}
References

Affected packages

Maven / io.grpc:grpc-protobuf

Package

Name
io.grpc:grpc-protobuf
View open source insights on deps.dev
Purl
pkg:maven/io.grpc/grpc-protobuf

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.53.0
Fixed
1.53.1

Affected versions

1.*

1.53.0

PyPI / grpcio

Package

Name
grpcio
View open source insights on deps.dev
Purl
pkg:pypi/grpcio

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.53.0
Fixed
1.53.1

Affected versions

1.*

1.53.0

RubyGems / grpc

Package

Name
grpc
Purl
pkg:gem/grpc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.53.0
Fixed
1.53.1

Affected versions

1.*

1.53.0

PyPI / grpcio

Package

Name
grpcio
View open source insights on deps.dev
Purl
pkg:pypi/grpcio

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.54.0
Fixed
1.54.2

Affected versions

1.*

1.54.0

RubyGems / grpc

Package

Name
grpc
Purl
pkg:gem/grpc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.54.0
Fixed
1.54.2

Affected versions

1.*

1.54.0

Maven / io.grpc:grpc-protobuf

Package

Name
io.grpc:grpc-protobuf
View open source insights on deps.dev
Purl
pkg:maven/io.grpc/grpc-protobuf

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.54.0
Fixed
1.54.2

Affected versions

1.*

1.54.0
1.54.1