#VU84507 Resource exhaustion in otelgrpc - CVE-2023-47108
Published: December 18, 2023
Vulnerability identifier: #VU84507
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-47108
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
otelgrpc
otelgrpc
Software vendor:
OpenTelemetry
OpenTelemetry
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to grpc Unary Server Interceptor does not properly control consumption of internal resources when processing multiple requests. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
External links
- https://github.com/open-telemetry/opentelemetry-go-contrib/security/advisories/GHSA-8pgv-569h-w5rw
- https://github.com/open-telemetry/opentelemetry-go-contrib/pull/4322
- https://github.com/open-telemetry/opentelemetry-go-contrib/commit/b44dfc9092b157625a5815cb437583cee663333b
- https://github.com/open-telemetry/opentelemetry-go-contrib/blob/9d4eb7e7706038b07d33f83f76afbe13f53d171d/instrumentation/google.golang.org/grpc/otelgrpc/interceptor.go#L327
- https://github.com/open-telemetry/opentelemetry-go-contrib/blob/instrumentation/google.golang.org/grpc/otelgrpc/v0.45.0/instrumentation/google.golang.org/grpc/otelgrpc/config.go#L138
- https://pkg.go.dev/go.opentelemetry.io/otel/metric/noop#NewMeterProvider