Detections
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Amazon Linux 2 : corosync (ALAS-2018-1014)

high Nessus Plugin ID 109693

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Synopsis

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

Description

Integer overflow in exec/totemcrypto.c:authenticate_nss_2_3() function

An integer overflow leading to an out-of-bound read was found in authenticate_nss_2_3() in Corosync. An attacker could craft a malicious packet that would lead to a denial of service.(CVE-2018-1084)

Solution

Run 'yum update corosync' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2018-1014.html

Plugin Details

Severity: High

ID: 109693

File Name: al2_ALAS-2018-1014.nasl

Version: 1.7

Type: local

Agent: unix

Published: 5/11/2018

Updated: 10/9/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2018-1084

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:corosync, p-cpe:/a:amazon:linux:corosynclib, p-cpe:/a:amazon:linux:corosync-debuginfo, p-cpe:/a:amazon:linux:corosynclib-devel, p-cpe:/a:amazon:linux:corosync-qnetd, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:corosync-qdevice

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/10/2018

Vulnerability Publication Date: 4/12/2018

Reference Information

CVE: CVE-2018-1084

ALAS: 2018-1014

IAVA: 2018-A-0127