CVE-2024-32976: Envoy can enter an endless loop while decompressing Brotli data with extra input
First published: Fri May 24 2024(Updated: )
Envoy is a cloud-native, open source edge and service proxy. Envoyproxy with a Brotli filter can get into an endless loop during decompression of Brotli data with extra input.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/envoy | <1.30.2 | 1.30.2 |
| redhat/envoy | <1.29.5 | 1.29.5 |
| redhat/envoy | <1.27.6 | 1.27.6 |
| Envoy Proxy | >=1.18.0<1.27.6 | |
| Envoy Proxy | >=1.28.0<1.28.4 | |
| Envoy Proxy | >=1.29.0<1.29.5 | |
| Envoy Proxy | >=1.30.0<1.30.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-32976?
CVE-2024-32976 has a high severity due to the potential for denial of service caused by an infinite loop during Brotli data decompression.
How do I fix CVE-2024-32976?
To remediate CVE-2024-32976, upgrade to Envoy version 1.30.2, 1.29.5, or 1.27.6, as those versions have addressed the vulnerability.
Which versions of Envoy are affected by CVE-2024-32976?
CVE-2024-32976 affects Envoy versions between 1.18.0 and 1.30.2, specifically excluding the patched versions.
What impact does CVE-2024-32976 have on systems using Envoy?
The impact of CVE-2024-32976 is that it can cause an endless loop, leading to a denial of service in systems utilizing the affected versions of Envoy.
Is there a known exploit for CVE-2024-32976?
As of now, there are no publicly disclosed exploits for CVE-2024-32976, but organizations are advised to patch as a precaution.
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