SB2018022007 - Denial of service in Apple macOS High Sierra
Published: February 20, 2018
Security Bulletin ID
SB2018022007
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory corruption (CVE-ID: CVE-2018-4124)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to heap corruption when handling malicious input. A remote attacker can send a specially crafted Telugu character in a message, trigger a memory corruption error in the CoreText component and cause the application to crash.
Remediation
Install update from vendor's website.