SB2018020911 - Remote code execution in Exim
Published: February 9, 2018 Updated: March 6, 2018
Security Bulletin ID
SB2018020911
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2018-6789)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists in the SMTP listener due to improper bounds checking. A remote attacker can send a specially crafted message, trigger buffer overflow and execute arbitrary code with privileges of the Exim user.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.