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CVE-2017-1088

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，该漏洞源于程序在填充数据之前，没有正确的清除kld_file_stat框架的内存。攻击者可利用该漏洞获取内核栈中的字节。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

AI Predicted 7.8 Difficulty: Moderate EPSS 0.39% · P31
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I. Basic Information for CVE-2017-1088

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, the kernel does not properly clear the memory of the kld_file_stat structure before filling the data. Since the structure filled by the kernel is allocated on the kernel stack and copied to userspace, a leak of information from the kernel stack is possible. As a result, some bytes from the kernel stack 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，该漏洞源于程序在填充数据之前，没有正确的清除kld_file_stat框架的内存。攻击者可利用该漏洞获取内核栈中的字节。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
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-2017-1088

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III. Intelligence Information for CVE-2017-1088

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Vendor Advisories for CVE-2017-1088 (2)

Other References for CVE-2017-1088 (1)

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

CVE-2017-1086 FreeBSD 安全漏洞
CVE-2017-1087 FreeBSD 权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD

V. Comments for CVE-2017-1088

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