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eventing-github vulnerable to denial of service caused by improper enforcement of the timeout on individual read operations

Low severity GitHub Reviewed Published Dec 6, 2023 in knative-extensions/eventing-github • Updated Dec 6, 2023

Package

gomod knative.dev/eventing-github (Go)

Affected versions

< 0.39.1

Patched versions

0.39.1

Description

Impact

The eventing-github cluster-local server doesn't set ReadHeaderTimeout‬‭ which could lead do a DDoS‬ ‭attack, where a large group of users send requests to the server causing the server to hang‬ ‭for long enough to deny it from being available to other users, also know as a Slowloris‬ ‭attack.

Patches

Fix in v1.12.1 and v1.11.3

Credits

The vulnerability was reported by Ada Logics during an ongoing security audit of Knative involving Ada Logics, the Knative maintainers, OSTIF and CNCF.

References

@pierDipi pierDipi published to knative-extensions/eventing-github Dec 6, 2023
Published to the GitHub Advisory Database Dec 6, 2023
Reviewed Dec 6, 2023
Last updated Dec 6, 2023

Severity

Low

EPSS score

Weaknesses

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Learn more on MITRE.

CVE ID

No known CVE

GHSA ID

GHSA-v7hc-87jc-qrrr

Source code

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