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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2018-6343

Quick assessment

Affected
Facebook Proxygen
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.

Facebook Proxygen是美国Facebook公司的一套开源的C++HTTP类库。 Facebook Proxygen 2018.10.29.00版本至2018.11.19.00版本（不含）中存在安全漏洞，该漏洞源于在逆向引用secondary auth manager之前，程序未能检验是否设置了secondary auth manager。攻击者可利用该漏洞造成拒绝服务。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.83% · P54
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2018-6343

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Proxygen fails to validate that a secondary auth manager is set before dereferencing it. That can cause a denial of service issue when parsing a Certificate/CertificateRequest HTTP2 Frame over a fizz (TLS 1.3) transport. This issue affects Proxygen releases starting from v2018.10.29.00 until the fix in v2018.11.19.00.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook Proxygen 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook Proxygen是美国Facebook公司的一套开源的C++HTTP类库。 Facebook Proxygen 2018.10.29.00版本至2018.11.19.00版本（不含）中存在安全漏洞，该漏洞源于在逆向引用secondary auth manager之前，程序未能检验是否设置了secondary auth manager。攻击者可利用该漏洞造成拒绝服务。
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
Facebook Proxygen v2018.11.19.00 -

II. Public POCs for CVE-2018-6343

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2018-6343

请登录查看更多情报信息。

Patches & Fixes for CVE-2018-6343 (1)

Same Patch Batch · Facebook · 2018-12-31 · 13 CVEs total

CVE-2018-6331 Buck 安全漏洞
CVE-2018-6333 Nuclide 安全漏洞
CVE-2018-6337 Facebook HHVM和folly library 安全漏洞
CVE-2018-6340 Facebook HHVM 缓冲区错误漏洞
CVE-2018-6341 React 跨站脚本漏洞
CVE-2018-6342 react-dev-utils 安全漏洞
CVE-2018-6344 Facebook WhatsApp 缓冲区错误漏洞
CVE-2018-6346 Facebook Proxygen 安全漏洞
CVE-2018-6347 Facebook Proxygen HTTP2 Parser 安全漏洞
CVE-2018-6334 Facebook HHVM 安全漏洞
CVE-2018-6335 Facebook HHVM 安全漏洞
CVE-2018-6336 Facebook osquery 安全特征问题漏洞

IV. Related Vulnerabilities

Same product: Proxygen
Same vendor: Facebook
Same weakness: CWE-476

V. Comments for CVE-2018-6343

No comments yet

Leave a comment