Connection Termination

2023-07-1310:09:03

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

grpc

http2

proxy

base64 encoding

application crash

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

0.001 Low

EPSS

Percentile

35.0%

JSON

grpc is vulnerable to Connection Termination. An attacker can terminate the connection between a HTTP2 proxy and the gRPC server by providing a -bin suffixed headers, which leads to a base64 encoding error, causing an application crash.

CPENameOperatorVersion
grpciole1.52.0
grpcle1.52.2
grpc.net.clientle2.51.0
io.grpc:grpc-xdsle1.52.1
grpcle1.53.0
libgrpc.sole31.0.0
grpciole1.52.0
grpcle1.52.2
grpc.net.clientle2.51.0
io.grpc:grpc-xdsle1.52.1

Name	Operator	Version
grpcio	le	1.52.0
grpc	le	1.52.2
grpc.net.client	le	2.51.0
io.grpc:grpc-xds	le	1.52.1
grpc	le	1.53.0
libgrpc.so	le	31.0.0
grpcio	le	1.52.0
grpc	le	1.52.2
grpc.net.client	le	2.51.0
io.grpc:grpc-xds	le	1.52.1