SB2017052213 - Privilege escalation in Apple macOS
Published: May 22, 2017 Updated: September 14, 2018
Security Bulletin ID
SB2017052213
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Privilege escalation (CVE-ID: CVE-2017-6978)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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:P/U:Clear
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to lack of bounds checking in HIServices custom CFObject serialization. A local attacker can run a specially crafted application, trigger memory corruption in the Accessibility Framework and gain system privileges.
Successful exploitation of the vulnerability results in privilege escalation.
Remediation
Install update from vendor's website.