CVE-2022-31045

Ill-formed headers may lead to unexpected behavior in Istio

State
Published
Severity
7.0 High
Published
Jun 9, 2022
Updated
Apr 23, 2025
Reserved
May 18, 2022

Read the record on cve.org

Description

Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.

Scores

CVSSScoreVectorSource
3.17.0 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:HGitHub_M

Weaknesses

Affected Products

ProductVersions
istioistio
  • < 1.12.18Affected
  • >= 1.13.0, < 1.13.5Affected
  • >= 1.14.0, < 1.14.1Affected

References

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