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CVE-2016-8733

Quick assessment

Affected
Joyent SmartOS
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.

Joyent SmartOS 20161110T013148Z是美国Joyent公司的一套开源的操作系统。Hyprlofs file system是其中的一个内存文件系统。 Joyent SmartOS 20161110T013148Z版本中的Hyprlofs文件系统存在整数溢出漏洞。攻击者可借助特制的输入利用该漏洞造成内核错误，获取提升的权限。

AI Predicted 7.8 Difficulty: Hard EPSS 0.55% · P45

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2016-8733

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable integer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFS_ADD_ENTRIES when dealing with native file systems. An attacker can craft an input that can cause a kernel panic and potentially be leveraged into a full privilege escalation vulnerability. This vulnerability is distinct from CVE-2016-9031.
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
Joyent SmartOS 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joyent SmartOS 20161110T013148Z是美国Joyent公司的一套开源的操作系统。Hyprlofs file system是其中的一个内存文件系统。 Joyent SmartOS 20161110T013148Z版本中的Hyprlofs文件系统存在整数溢出漏洞。攻击者可借助特制的输入利用该漏洞造成内核错误，获取提升的权限。
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
Joyent SmartOS OS 20161110T013148Z -

II. Public POCs for CVE-2016-8733

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III. Intelligence Information for CVE-2016-8733

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Vendor Advisories for CVE-2016-8733 (1)

Other References for CVE-2016-8733 (1)

Same Patch Batch · Joyent · 2016-12-14 · 6 CVEs total

CVE-2016-9031 Joyent SmartOS 数字错误漏洞
CVE-2016-9032 Joyent SmartOS 缓冲区错误漏洞
CVE-2016-9033 Joyent SmartOS 缓冲区错误漏洞
CVE-2016-9034 Joyent SmartOS 缓冲区错误漏洞
CVE-2016-9035 Joyent SmartOS 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: SmartOS
Same vendor: Joyent

V. Comments for CVE-2016-8733

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