CVE-2022-39278: Istio vulnerable to denial of service attack due to Golang Regex Library
First published: Wed Oct 12 2022(Updated: )
An uncontrolled resource consumption flaw was found in the Istio control plane, istiod. This issue could allow an unauthenticated remote attacker to send a specially crafted or oversized message that could cause a denial of service.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/Istio | <1.15.2 | 1.15.2 |
| redhat/Istio | <1.14.5 | 1.14.5 |
| redhat/Istio | <1.13.9 | 1.13.9 |
| Istio Istio | <1.13.9 | |
| Istio Istio | >=1.14.0<1.14.5 | |
| Istio Istio | >=1.15.0<1.15.2 |
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Reference Links
- https://github.com/istio/istio/security/advisories/GHSA-86vr-4wcv-mm9w
- https://istio.io/latest/news/releases/1.13.x/announcing-1.13.9/
- https://istio.io/latest/news/releases/1.15.x/announcing-1.15.2/
- https://istio.io/news/releases/1.14.x/announcing-1.14.5/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2148658
- https://access.redhat.com/errata/RHSA-2023:0542
- https://access.redhat.com/security/cve/cve-2022-39278
- https://bugzilla.redhat.com/show_bug.cgi?id=2148199
- https://www.cve.org/CVERecord?id=CVE-2022-39278 https://nvd.nist.gov/vuln/detail/CVE-2022-39278 https://github.com/istio/istio/security/advisories/GHSA-86vr-4wcv-mm9w https://istio.io/latest/news/security/istio-security-2022-007/
Frequently Asked Questions
What is CVE-2022-39278?
CVE-2022-39278 is a vulnerability found in the Istio control plane istiod, allowing a malicious attacker to cause an uncontrolled resource consumption.
What is Istio?
Istio is an open platform-independent service mesh that provides traffic management, policy enforcement, and telemetry collection.
Which versions of Istio are affected by CVE-2022-39278?
Versions 1.15.2, 1.14.5, and 1.13.9 of Istio are affected by CVE-2022-39278.
How can CVE-2022-39278 be exploited?
CVE-2022-39278 can be exploited by a malicious attacker who sends a specific request to the vulnerable Istio control plane, istiod.
What is the severity of CVE-2022-39278?
CVE-2022-39278 has a severity rating of 7.5 (high).
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