CVE-2022-31045

Ill-formed headers may lead to unexpected behavior in Istio

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.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Third-Party Advisory github.com
Affected: istio istio
Published at:
Updated at:

References

Link Tags
https://github.com/istio/istio/security/advisories/GHSA-xwx5-5c9g-x68x third party advisory
https://istio.io/latest/news/security/istio-security-2022-05 broken link

Frequently Asked Questions

What is the severity of CVE-2022-31045?
CVE-2022-31045 has been scored as a high severity vulnerability.
How to fix CVE-2022-31045?
To fix CVE-2022-31045, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-31045 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-31045 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-31045?
CVE-2022-31045 affects istio istio.
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