SB2018012701 - Privilege escalation in
Published: January 27, 2018
Security Bulletin ID
SB2018012701
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Privilege escalation (CVE-ID: CVE-2018-1166)
The vulnerability allows a local attacker to gain elevated privileges on the target system.The weakness exists due to a use-after-free in SMBIOC_TREE_RELE ioctl. A local attacker can trigger memory corruption and execute arbitrary code with host OS privileges.
2) Privilege escalation (CVE-ID: CVE-2018-1165)
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.
Remediation
Install update from vendor's website.