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CVE-2019-6250

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ZeroMQ libzmq（又名0MQ）是一个轻量级分布式消息传递引擎核心库。 ZeroMQ libzmq 4.2.x版本和4.3.1之前的4.3.x版本中的v2_decoder.cpp文件的zmq::v2_decoder_t::size_ready存在安全漏洞。远程攻击者可利用该漏洞覆盖缓冲区边界之外的任意字节，在目标系统上执行任意代码。

AI Predicted 8.1 Difficulty: Moderate EPSS 9.44% · P95
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I. Basic Information for CVE-2019-6250

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A pointer overflow, with code execution, was discovered in ZeroMQ libzmq (aka 0MQ) 4.2.x and 4.3.x before 4.3.1. A v2_decoder.cpp zmq::v2_decoder_t::size_ready integer overflow allows an authenticated attacker to overwrite an arbitrary amount of bytes beyond the bounds of a buffer, which can be leveraged to run arbitrary code on the target system. The memory layout allows the attacker to inject OS commands into a data structure located immediately after the problematic buffer (i.e., it is not necessary to use a typical buffer-overflow exploitation technique that changes the flow of control).
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
ZeroMQ libzmq 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZeroMQ libzmq（又名0MQ）是一个轻量级分布式消息传递引擎核心库。 ZeroMQ libzmq 4.2.x版本和4.3.1之前的4.3.x版本中的v2_decoder.cpp文件的zmq::v2_decoder_t::size_ready存在安全漏洞。远程攻击者可利用该漏洞覆盖缓冲区边界之外的任意字节，在目标系统上执行任意代码。
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
- n/a n/a -

II. Public POCs for CVE-2019-6250

# POC Description Source Link Shenlong Link
1 None https://github.com/AkashicYiTai/CVE-2019-6250-libzmq POC Details
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III. Intelligence Information for CVE-2019-6250

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Vendor Advisories for CVE-2019-6250 (2)

Other References for CVE-2019-6250 (2)

Same Patch Batch · n/a · 2019-01-13 · 7 CVEs total

CVE-2018-20703 Devellion CubeCart 跨站脚本漏洞
CVE-2019-6249 HuCart 跨站请求伪造漏洞
CVE-2019-6245 SVG++ 缓冲区错误漏洞
CVE-2019-6246 SVG++ 缓冲区错误漏洞
CVE-2019-6247 SVG++ Anti-Grain Geometry 缓冲区错误漏洞
CVE-2019-6248 PHP Scripts Mall Citysearch / Hotfrog / Gelbeseiten Clone Script 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2019-6250

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