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CVE-2018-17154

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中存在安全漏洞，该漏洞源于在‘freebsd4_getfsstat’函数系统调用中程序没有充分地检测内存。本地攻击者可利用该漏洞造成拒绝服务（空指针逆向引用）。

AI Predicted 4.4 Difficulty: Trivial EPSS 0.32% · P25
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I. Basic Information for CVE-2018-17154

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In FreeBSD before 11.2-STABLE(r338987), 11.2-RELEASE-p4, and 11.1-RELEASE-p15, due to insufficient memory checking in the freebsd4_getfsstat system call, a NULL pointer dereference can occur. Unprivileged authenticated local users may be able to cause a denial of service.
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中存在安全漏洞，该漏洞源于在‘freebsd4_getfsstat’函数系统调用中程序没有充分地检测内存。本地攻击者可利用该漏洞造成拒绝服务（空指针逆向引用）。
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 11.2 before 11.2-RELEASE-p4 -

II. Public POCs for CVE-2018-17154

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III. Intelligence Information for CVE-2018-17154

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Other References for CVE-2018-17154 (1)

Same Patch Batch · FreeBSD · 2018-09-28 · 3 CVEs total

CVE-2018-17155 FreeBSD 安全漏洞
CVE-2018-6925 FreeBSD 安全漏洞

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD

V. Comments for CVE-2018-17154

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