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CVE-2018-1165

Quick assessment

Affected
Joyent 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是美国Joyent公司的一套开源的操作系统。 Joyent SmartOS release-20170803-20170803T064301Z版本中的SMBIOC_TREE_RELE ioctl存在安全漏洞，该漏洞源于程序没有正确的检测用户提交的数据，导致复制数据的大小超过基于堆的固定长度的缓冲区。本地攻击者可利用该漏洞提升权限，执行代码。

AI Predicted 5.6 Difficulty: Hard EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2018-1165

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS release-20170803-20170803T064301Z. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the SMB_IOC_SVCENUM IOCTL. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the host OS. Was ZDI-CAN-4983.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Joyent SmartOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joyent SmartOS是美国Joyent公司的一套开源的操作系统。 Joyent SmartOS release-20170803-20170803T064301Z版本中的SMBIOC_TREE_RELE ioctl存在安全漏洞，该漏洞源于程序没有正确的检测用户提交的数据，导致复制数据的大小超过基于堆的固定长度的缓冲区。本地攻击者可利用该漏洞提升权限，执行代码。
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 Joyent SmartOS release-20170803-20170803T064301Z -

II. Public POCs for CVE-2018-1165

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III. Intelligence Information for CVE-2018-1165

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Vendor Advisories for CVE-2018-1165 (2)

Other References for CVE-2018-1165 (1)

IV. Related Vulnerabilities

Same product: Joyent SmartOS
Same vendor: Joyent
Same weakness: CWE-122

V. Comments for CVE-2018-1165

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