PT-2023-26127 · Okhttp · Okhttp

Omer Kaspi · Published 2023-07-19 · Updated 2023-08-02 · CVE-2023-3782

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions OkHttp (affected versions not specified)

Description The issue allows for a Denial of Service (DoS) of the OkHttp client when using a BrotliInterceptor and accessing a malicious web server, or when an attacker can perform a Man-in-the-Middle (MitM) attack to inject a Brotli zip-bomb into an HTTP response.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2023-3782

Affected Products

Okhttp

References · 5

• 🔥 https://research.jfrog.com/vulnerabilities/okhttp-client-brotli-dos · Exploit
• https://github.com/square/okhttp/issues/7738 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-3782 · Security Note
• https://osv.dev/vulnerability/CVE-2023-3782 · Vendor Advisory
• https://t.me/cvenotify/54682 · Telegram Post