Detections
Analytics

Amazon Linux 2 : keepalived (ALAS-2019-1154)

critical Nessus Plugin ID 121367

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

Heap-based buffer overflow vulnerability in extract_status_code() function in lib/html.c that parses HTTP status code returned from web server allows malicious web server or man-in-the-middle attacker pretending to be a web server to cause either a denial of service or potentially execute arbitrary code on keepalived load balancer.(CVE-2018-19115)

Solution

Run 'yum update keepalived' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2019-1154.html

Plugin Details

Severity: Critical

ID: 121367

File Name: al2_ALAS-2019-1154.nasl

Version: 1.3

Type: local

Agent: unix

Published: 1/25/2019

Updated: 6/26/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2018-19115

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:keepalived-debuginfo, p-cpe:/a:amazon:linux:keepalived, cpe:/o:amazon:linux:2

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/25/2019

Vulnerability Publication Date: 11/8/2018

Reference Information

CVE: CVE-2018-19115

ALAS: 2019-1154