Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-39322— Memory exhaustion in QUIC connection handling in crypto/tls

Quick assessment

Affected
Go standard library crypto/tls
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Go存在安全漏洞，该漏洞源于QUIC连接在读取握手后消息时不会设置缓冲数据量的上限，从而允许恶意QUIC连接导致内存无限增长。

AI Predicted 7.5 Difficulty: Easy EPSS 1.34% · P70

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-39322

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Memory exhaustion in QUIC connection handling in crypto/tls
Source: CVE Program / CVE List V5
Vulnerability Description
QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth. With fix, connections now consistently reject messages larger than 65KiB in size.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Go存在安全漏洞，该漏洞源于QUIC连接在读取握手后消息时不会设置缓冲数据量的上限，从而允许恶意QUIC连接导致内存无限增长。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Go standard library crypto/tls 1.21.0-0 ~ 1.21.1 -

II. Public POCs for CVE-2023-39322

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-39322

请登录查看更多情报信息。

Vendor Advisories for CVE-2023-39322 (2)

Other References for CVE-2023-39322 (4)

Same Patch Batch · Go standard library · 2023-09-08 · 4 CVEs total

CVE-2023-39321 Panic when processing post-handshake message on QUIC connections in crypto/tls
CVE-2023-39319 Improper handling of special tags within script contexts in html/template
CVE-2023-39318 Improper handling of HTML-like comments in script contexts in html/template

IV. Related Vulnerabilities

Same product: crypto/tls
Same vendor: Go standard library

V. Comments for CVE-2023-39322

No comments yet

Leave a comment