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CVE-2016-20096— Linknat VOS3000/VOS2009 2.1.2.0 SQL Injection via login.jsp

Quick assessment

Affected
Kunshi Network Technology Co., Ltd. Linknat VOS3000
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.

Kunshi Network Linknat VOS3000是Kunshi Network公司的一款VOIP通信平台软件。 Linknat VOS3000和Linknat VOS2009 2.1.2.0及之前版本存在SQL注入漏洞，该漏洞源于对登录端点POST请求中name参数的操作，可能导致未经验证的远程攻击者执行任意SQL命令，注入恶意SQL并通过后续会话请求提取查询结果，从而获取DBA权限级别的明文凭据和其他数据库内容。

CVSS 9.8 · Critical EPSS 0.67% · P51

Affected Version Matrix 6

VendorProduct Version RangeStatus
Kunshi Network Technology Co., Ltd. Linknat VOS2009 2.1.1.5 affected
2.1.1.8 affected
2.1.2.0 affected
Kunshi Network Technology Co., Ltd. Linknat VOS3000 2.1.1.5 affected
2.1.1.8 affected
2.1.2.0 affected
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I. Basic Information for CVE-2016-20096

Vulnerability Information
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Vulnerability Title
Linknat VOS3000/VOS2009 2.1.2.0 SQL Injection via login.jsp
Source: CVE Program / CVE List V5
Vulnerability Description
Linknat VOS3000 and VOS2009 through version 2.1.2.0 contain an unauthenticated SQL injection vulnerability that allows remote attackers to execute arbitrary SQL commands by manipulating the name parameter in a POST request to the login endpoint. Attackers can inject malicious SQL through the login form and retrieve injected query results from a subsequent session request, enabling extraction of plaintext credentials and other database content with DBA-level privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Kunshi Network Linknat VOS3000 SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kunshi Network Linknat VOS3000是Kunshi Network公司的一款VOIP通信平台软件。 Linknat VOS3000和Linknat VOS2009 2.1.2.0及之前版本存在SQL注入漏洞，该漏洞源于对登录端点POST请求中name参数的操作，可能导致未经验证的远程攻击者执行任意SQL命令，注入恶意SQL并通过后续会话请求提取查询结果，从而获取DBA权限级别的明文凭据和其他数据库内容。
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
Kunshi Network Technology Co., Ltd. Linknat VOS3000 2.1.1.5 -
Kunshi Network Technology Co., Ltd. Linknat VOS2009 2.1.1.5 -

II. Public POCs for CVE-2016-20096

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III. Intelligence Information for CVE-2016-20096

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Vendor Advisories for CVE-2016-20096 (1)

Exploits & Public PoCs for CVE-2016-20096 (1)

News Coverage for CVE-2016-20096 (1)

Vendor Pages for CVE-2016-20096 (1)

IV. Related Vulnerabilities

Same weakness: CWE-89

V. Comments for CVE-2016-20096

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