CVE-2023-3782 — MEDIUM (5.9)

Vulnerability Description

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

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Squareup	Okhttp-Brotli	All versions

Related Weaknesses (CWE)

CWE-400

References

https://github.com/square/okhttp/issues/7738Issue TrackingVendor Advisory
https://research.jfrog.com/vulnerabilities/okhttp-client-brotli-dos/ExploitThird Party Advisory
https://github.com/square/okhttp/issues/7738Issue TrackingVendor Advisory
https://research.jfrog.com/vulnerabilities/okhttp-client-brotli-dos/ExploitThird Party Advisory

FAQ

What is CVE-2023-3782?

CVE-2023-3782 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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

How severe is CVE-2023-3782?

CVE-2023-3782 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-3782?

Check the references section above for vendor advisories and patch information. Affected products include: Squareup Okhttp-Brotli.