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CVE-2019-11940

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 v0.29.0版本至v2017.04.03.00版本中存在资源管理错误漏洞。远程攻击者可通过发送特制的请求利用该漏洞导致拒绝服务。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.36% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-11940

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook Proxygen 资源管理错误漏洞
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 v0.29.0版本至v2017.04.03.00版本中存在资源管理错误漏洞。远程攻击者可通过发送特制的请求利用该漏洞导致拒绝服务。
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 v2017.04.03.00 -

II. Public POCs for CVE-2019-11940

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III. Intelligence Information for CVE-2019-11940

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Patches & Fixes for CVE-2019-11940 (1)

Other References for CVE-2019-11940 (1)

Same Patch Batch · Facebook · 2019-12-04 · 7 CVEs total

CVE-2019-11934 folly AsyncSSLSocket 缓冲区错误漏洞
CVE-2019-11935 Facebook HHVM 缓冲区错误漏洞
CVE-2019-11936 Facebook HHVM 缓冲区错误漏洞
CVE-2019-11930 Facebook HHVM 输入验证错误漏洞
CVE-2019-11937 Mcrouter 资源管理错误漏洞
CVE-2019-11923 Mcrouter 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: Proxygen
Same vendor: Facebook
Same weakness: CWE-416

V. Comments for CVE-2019-11940

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