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CVE-2018-10920

Quick assessment

Affected
cz.nic knot-resolver
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.

Knot Resolver是一个域名解析模块。DNS resolver是其中的一个域名解析组件。 Knot Resolver 2.4.1之前版本中的DNS resolver组件存在输入验证漏洞。远程攻击者可利用该漏洞造成缓存中毒。

AI Predicted 7.5 Difficulty: Moderate EPSS 3.24% · P88

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2018-10920

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Knot Resolver DNS resolver组件输入验证漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Knot Resolver是一个域名解析模块。DNS resolver是其中的一个域名解析组件。 Knot Resolver 2.4.1之前版本中的DNS resolver组件存在输入验证漏洞。远程攻击者可利用该漏洞造成缓存中毒。
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
cz.nic knot-resolver before 2.4.1 -

II. Public POCs for CVE-2018-10920

# POC Description Source Link Shenlong Link
1 Knot Resolver CVE-2018-10920 / DO NOT ABUSE https://github.com/shutingrz/CVE-2018-10920_PoC POC Details
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III. Intelligence Information for CVE-2018-10920

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Vendor Advisories for CVE-2018-10920 (1)

Other References for CVE-2018-10920 (1)

IV. Related Vulnerabilities

Same product: knot-resolver
Same vendor: cz.nic
Same weakness: CWE-20

V. Comments for CVE-2018-10920

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