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CVE-2018-4011

Quick assessment

Affected
n/a CUJO
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.

CUJO Smart Firewall是美国CUJO公司的一款家庭智能防火墙设备。 使用7003版本固件的CUJO Smart Firewall中的mdnscap二进制文件存在整数溢出漏洞，该漏洞源于在解析mDNS数据包中的SRV记录时，程序没有正确地处理‘RDLENGTH’值。攻击者可通过发送mDNS消息利用该漏洞造成mdnscap进程崩溃。

AI Predicted 8.1 Difficulty: Trivial EPSS 1.32% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-4011

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable integer underflow vulnerability exists in the mdnscap binary of the CUJO Smart Firewall, version 7003. When parsing SRV records in an mDNS packet, the "RDLENGTH" value is handled incorrectly, leading to an out-of-bounds access that crashes the mdnscap process. An unauthenticated attacker can send an mDNS message to trigger this vulnerability.
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
CUJO Smart Firewall 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CUJO Smart Firewall是美国CUJO公司的一款家庭智能防火墙设备。 使用7003版本固件的CUJO Smart Firewall中的mdnscap二进制文件存在整数溢出漏洞，该漏洞源于在解析mDNS数据包中的SRV记录时，程序没有正确地处理‘RDLENGTH’值。攻击者可通过发送mDNS消息利用该漏洞造成mdnscap进程崩溃。
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

Vendor Product Affected Versions CPE Subscribe
- CUJO CUJO Smart Firewall - Firmware version 7003 -

II. Public POCs for CVE-2018-4011

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III. Intelligence Information for CVE-2018-4011

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Other References for CVE-2018-4011 (1)

Same Patch Batch · n/a · 2019-03-21 · 36 CVEs total

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Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: CUJO
Same vendor: n/a

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