CVE-2019-11935
Quick assessment
Affected
Facebook HHVM
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 HHVM（又名HipHop Virtual Machine）是美国Facebook公司的一款能够显著提高PHP加载动态页面性能的虚拟机。 Facebook HHVM中存在缓冲区错误漏洞，该漏洞源于不充分的边界检查。远程攻击者可通过发送特制的请求利用该漏洞获取敏感信息或导致拒绝服务。以下产品及版本受到影响：Facebook HHVM 3.30.12之前版本，4.0.0版本至4.8.5，4.9.0版本至4.23.1版本，4.24.0版本，4.25.0版本，4.26.0版本，4.27.0版本，
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-11935
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient boundary checks when processing a string in mb_ereg_replace allows access to out-of-bounds memory. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook HHVM 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook HHVM（又名HipHop Virtual Machine）是美国Facebook公司的一款能够显著提高PHP加载动态页面性能的虚拟机。 Facebook HHVM中存在缓冲区错误漏洞，该漏洞源于不充分的边界检查。远程攻击者可通过发送特制的请求利用该漏洞获取敏感信息或导致拒绝服务。以下产品及版本受到影响：Facebook HHVM 3.30.12之前版本，4.0.0版本至4.8.5，4.9.0版本至4.23.1版本，4.24.0版本，4.25.0版本，4.26.0版本，4.27.0版本，
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
II. Public POCs for CVE-2019-11935
| # | POC Description | Source Link | Shenlong Link |
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Patches & Fixes for CVE-2019-11935 (1)
-
https://github.com/facebook/hhvm/commit/1c518555dba6ceb45d5ba61845b96e261219c3b7 x_refsource_CONFIRM
Security Blog Posts for CVE-2019-11935 (1)
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https://hhvm.com/blog/2019/10/28/security-update.html x_refsource_CONFIRM
Other References for CVE-2019-11935 (1)
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https://www.facebook.com/security/advisories/cve-2019-11935 x_refsource_CONFIRM
Same Patch Batch · Facebook · 2019-12-04 · 7 CVEs total
| CVE-2019-11940 | Facebook Proxygen 资源管理错误漏洞 | |
| CVE-2019-11934 | folly AsyncSSLSocket 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 |
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V. Comments for CVE-2019-11935
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