OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.5%
exploitation probability
0.5%top 62% of all CVEs
observed exploitation
nono source reports it
OpenTelemetry dotnet is a dotnet telemetry framework. In OpenTelemetry.Api 0.5.0-beta.2 to 1.15.2 and OpenTelemetry.Extensions.Propagators 1.3.1 to 1.15.2, The implementation details of the baggage, B3 and Jaeger processing code in the OpenTelemetry.Api and OpenTelemetry.Extensions.Propagators NuGet packages can allocate excessive memory when parsing which could create a potential denial of service (DoS) in the consuming application. This vulnerability is fixed in 1.15.3.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
open-telemetry · OpenTelemetry.Apiopen-telemetry · opentelemetry-dotnetopen-telemetry · OpenTelemetry.Extensions.PropagatorsReferences
https://github.com/open-telemetry/opentelemetry-dotnet/pull/1048https://github.com/open-telemetry/opentelemetry-dotnet/pull/3244https://github.com/open-telemetry/opentelemetry-dotnet/pull/3309https://github.com/open-telemetry/opentelemetry-dotnet/pull/533https://github.com/open-telemetry/opentelemetry-dotnet/pull/7061https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-g94r-2vxg-569j