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Amazon Linux 2 : libseccomp (ALAS-2019-1360)

critical Nessus Plugin ID 131028

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Synopsis

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

Description

libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations. (CVE-2019-9893)

Solution

Run 'yum update libseccomp' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2019-1360.html

Plugin Details

Severity: Critical

ID: 131028

File Name: al2_ALAS-2019-1360.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/15/2019

Updated: 4/11/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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-2019-9893

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:libseccomp, p-cpe:/a:amazon:linux:libseccomp-devel, p-cpe:/a:amazon:linux:libseccomp-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:libseccomp-static

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/14/2019

Vulnerability Publication Date: 3/21/2019

Reference Information

CVE: CVE-2019-9893

ALAS: 2019-1360