#VU15792 Heap-based buffer overflow in Keepalived - CVE-2018-19115
Published: November 10, 2018
Vulnerability identifier: #VU15792
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-19115
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Keepalived
Keepalived
Software vendor:
Keepalived
Keepalived
Description
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 updates from vendor's website.