Privilege escalation in Joyent SmartOS - CVE-2018-1165

 

Privilege escalation in Joyent SmartOS - CVE-2018-1165

Published: February 13, 2018


Vulnerability identifier: #VU10464
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1165
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Joyent, Inc.
Affected software:
Joyent SmartOS

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to a heap-based buffer overflow in SMB_IOC_SVCENUM IOCTL. A local attacker can send overly long data, trigger memory corruption and execute arbitrary code with host OS privileges.

How to mitigate CVE-2018-1165

Install update from vendor's website.

Sources