SB2018072620 - Heap-based buffer overflow in Keepalived
Published: July 26, 2018
Security Bulletin ID
SB2018072620
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) Heap-based buffer overflow (CVE-ID: CVE-2018-19115)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when parsing HTTP status codes within the extract_status_code() function in lib/html.c. A remote attacker can send a specially crafted HTTP request, trigger heap-based buffer overflow and peform denial of service attack or execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.