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

Severity Score

5.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

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

*Credits: N/A

CVSS Scores

NISTv3.1 5.9

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

Poc

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-07-19 CVE Reserved
2023-07-19 CVE Published
2024-07-25 EPSS Updated
2024-10-28 CVE Updated
2024-10-28 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://research.jfrog.com/vulnerabilities/okhttp-client-brotli-dos	2024-10-28

URL	Date	SRC

URL	Date	SRC
https://github.com/square/okhttp/issues/7738	2023-08-02

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Squareup Search vendor "Squareup"		Okhttp-brotli Search vendor "Squareup" for product "Okhttp-brotli"				*		-		Affected