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CVE-2017-1086

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。攻击者可利用该漏洞获取线程的内核栈信息。以下版本受到影响：FreeBSD 11.1-STABLE之前的版本，11.1-RELEASE-p4之前的版本，11.0-RELEASE-p15之前的版本，10.4-STABLE之前的版本，10.4-RELEASE-p3之前的版本，10.3-RELEASE-p24之前

AI Predicted 7.8 Difficulty: Easy EPSS 0.36% · P29
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I. Basic Information for CVE-2017-1086

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p4, 11.0-RELEASE-p15, 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24, not all information in the struct ptrace_lwpinfo is relevant for the state of any thread, and the kernel does not fill the irrelevant bytes or short strings. Since the structure filled by the kernel is allocated on the kernel stack and copied to userspace, a leak of information of the kernel stack of the thread is possible from the debugger. As a result, some bytes from the kernel stack of the thread using ptrace (PT_LWPINFO) call can be observed in userspace.
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。攻击者可利用该漏洞获取线程的内核栈信息。以下版本受到影响：FreeBSD 11.1-STABLE之前的版本，11.1-RELEASE-p4之前的版本，11.0-RELEASE-p15之前的版本，10.4-STABLE之前的版本，10.4-RELEASE-p3之前的版本，10.3-RELEASE-p24之前
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-2017-1086

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III. Intelligence Information for CVE-2017-1086

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Vendor Advisories for CVE-2017-1086 (2)

Other References for CVE-2017-1086 (1)

Same Patch Batch · FreeBSD · 2017-11-16 · 3 CVEs total

CVE-2017-1087 FreeBSD 权限许可和访问控制问题漏洞
CVE-2017-1088 FreeBSD 安全漏洞

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD

V. Comments for CVE-2017-1086

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