SB2018030510 - Ubuntu update for Dovecot
Published: March 5, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2017-14461)
The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information or cause DoS condition on the target system.
The weakness exists due to improper parsing of crafted email messages. A remote attacker can send a specially crafted email message over SMTP, trick the victim into opening it, trigger an out-of-bounds read and gain access to potentially sensitive information or cause the service to crash.
2) Resource exhaustion (CVE-ID: CVE-2017-15130)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to excessive memory usage. A remote attacker can cause the service to crash.
Remediation
Install update from vendor's website.