CVE-2023-3782: DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response

Published Jul 19, 2023
·
Updated

DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response

Affected Software

1 affected component
squareup Okhttp-brotli

Event History

Jul 19, 2023
CVE Published
via MITRE·08:57 PM
Data Sourced
via MITRE·08:57 PM
DescriptionSeverityWeakness
Data Sourced
09:15 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2023-3782?

The severity of CVE-2023-3782 is medium, with a severity value of 5.9.

2

How does CVE-2023-3782 impact the OkHttp client?

CVE-2023-3782 can cause a Denial of Service (DoS) for the OkHttp client when using a BrotliInterceptor and accessing a malicious web server or when a Brotli zip-bomb is injected into an HTTP response via a Man-in-the-Middle (MitM) attack.

3

What software is affected by CVE-2023-3782?

The Squareup Okhttp-brotli library is affected by CVE-2023-3782.

4

How can the CVE-2023-3782 vulnerability be fixed?

To fix CVE-2023-3782, it is recommended to update to a version of Squareup Okhttp-brotli that includes the necessary security patches.

5

Where can I find more information about CVE-2023-3782?

You can find more information about CVE-2023-3782 at the following references: [1](https://research.jfrog.com/vulnerabilities/okhttp-client-brotli-dos/) [2](https://github.com/square/okhttp/issues/7738)

Contact

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