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CVE-2018-6923

Quick assessment

Affected
FreeBSD FreeBSD
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.

FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。 FreeBSD 11.1-STABLE之前版本、11.2-RELEASE-p2版本和11.1-RELEASE-p13版本中的ip碎片重组代码存在拒绝服务漏洞。远程攻击者可通过发送任意ip碎片利用该漏洞造成拒绝服务（资源耗尽）。

AI Predicted 7.5 Difficulty: Moderate EPSS 3.64% · P89
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I. Basic Information for CVE-2018-6923

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p2, 11.1-RELEASE-p13, ip fragment reassembly code is vulnerable to a denial of service due to excessive system resource consumption. This issue can allow a remote attacker who is able to send an arbitrary ip fragments to cause the machine to consume excessive resources.
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
FreeBSD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。 FreeBSD 11.1-STABLE之前版本、11.2-RELEASE-p2版本和11.1-RELEASE-p13版本中的ip碎片重组代码存在拒绝服务漏洞。远程攻击者可通过发送任意ip碎片利用该漏洞造成拒绝服务（资源耗尽）。
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
FreeBSD FreeBSD All supported versions of FreeBSD. -

II. Public POCs for CVE-2018-6923

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III. Intelligence Information for CVE-2018-6923

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Vendor Advisories for CVE-2018-6923 (2)

Other References for CVE-2018-6923 (1)

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD

V. Comments for CVE-2018-6923

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