CVE-2018-25282— Nmap 7.70 Denial of Service via XML Entity Expansion
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I. Basic Information for CVE-2018-25282
Vulnerability Information
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Vulnerability Title
Nmap 7.70 Denial of Service via XML Entity Expansion
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nmap 7.70 contains a denial of service vulnerability that allows local attackers to crash the application by processing malicious XML files with exponential entity expansion. Attackers can create a crafted XML file with nested entity definitions and open it through ZenMap's scan import functionality to cause the program to consume excessive system resources and crash.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nmap 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nmap是Nmap开源的一个用于网络发现与安全扫描的工具。 Nmap 7.70版本存在安全漏洞，该漏洞源于处理包含指数级实体扩展的恶意XML文件时存在拒绝服务，可能导致本地攻击者创建包含嵌套实体定义的XML文件并通过ZenMap的扫描导入功能打开导致程序消耗过多系统资源并崩溃。
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-2018-25282
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- Nmap 7.70 Denial of Service via XML Entity Expansion | Advisories | VulnCheckthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-25282
IV. Related Vulnerabilities
Same weakness: CWE-674
V. Comments for CVE-2018-25282
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