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CVE-2018-17155

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。本地攻击者可利用该漏洞访问内核数据。以下版本受到影响：FreeBSD 11.2-STABLE(r338983)之前版本，11.2-RELEASE-p4之前版本，11.1-RELEASE-p15之前版本，10.4-STABLE(r338984)之前版本，10.4-RELEASE-p13之前版本。

AI Predicted 4.7 Difficulty: Easy EPSS 0.37% · P30
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I. Basic Information for CVE-2018-17155

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.
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。本地攻击者可利用该漏洞访问内核数据。以下版本受到影响：FreeBSD 11.2-STABLE(r338983)之前版本，11.2-RELEASE-p4之前版本，11.1-RELEASE-p15之前版本，10.4-STABLE(r338984)之前版本，10.4-RELEASE-p13之前版本。
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-2018-17155

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III. Intelligence Information for CVE-2018-17155

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Other References for CVE-2018-17155 (1)

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

CVE-2018-17154 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-2018-17155

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