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I. Basic Information for CVE-2021-28918
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper input validation of octal strings in netmask npm package v1.0.6 and below allows unauthenticated remote attackers to perform indeterminate SSRF, RFI, and LFI attacks on many of the dependent packages. A remote unauthenticated attacker can bypass packages relying on netmask to filter IPs and reach critical VPN or LAN hosts.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Npm netmask 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
npm Npm netmask是美国npm公司的一个应用软件。Netmask类解析并了解IPv4 CIDR块，以便可以对其进行探索和比较。 Npm netmask 存在代码问题漏洞，攻击者可利用该漏洞输入数据触发跨站请求伪造，以迫使受害者执行操作。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-28918
#POC DescriptionSource LinkShenlong Link
1Netmask NPM Package is susceptible to server-side request forgery because of improper input validation of octal strings in netmask npm package. This allows unauthenticated remote attackers to perform indeterminate SSRF, remote file inclusion, and local file inclusion attacks on many of the dependent packages. A remote unauthenticated attacker can bypass packages relying on netmask to filter IPs and reach critical VPN or LAN hosts.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-28918.yamlPOC Details
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III. Intelligence Information for CVE-2021-28918
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2021-28918

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