SB2018051405 - Denial of service in ARM mbed TLS
Published: May 14, 2018
Security Bulletin ID
SB2018051405
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Buffer over-read (CVE-ID: CVE-2018-9988)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in ssl_parse_server_key_exchange() due to buffer over-read. A remote attacker can trigger memory corruption and cause the service to crash.
2) Buffer over-read (CVE-ID: CVE-2018-9989)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in ssl_parse_server_psk_hint() due to buffer over-read. A remote attacker can trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.