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Amazon Linux AMI : subversion (ALAS-2021-1483)

high Nessus Plugin ID 146814

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Synopsis

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

Description

The version of subversion installed on the remote host is prior to 1.9.7-1.61. It is, therefore, affected by a vulnerability as referenced in the ALAS-2021-1483 advisory.

 A null-pointer-dereference flaw was found in mod_authz_svn of subversion. This flaw allows a remote, unauthenticated attacker to cause a denial of service in some server configurations. The highest threat from this vulnerability is to system availability. (CVE-2020-17525)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update subversion' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2021-1483.html

https://access.redhat.com/security/cve/CVE-2020-17525

Plugin Details

Severity: High

ID: 146814

File Name: ala_ALAS-2021-1483.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/24/2021

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-17525

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:subversion-libs, p-cpe:/a:amazon:linux:subversion-debuginfo, p-cpe:/a:amazon:linux:subversion-python26, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:subversion-ruby, p-cpe:/a:amazon:linux:subversion-python27, p-cpe:/a:amazon:linux:subversion-javahl, p-cpe:/a:amazon:linux:subversion-devel, p-cpe:/a:amazon:linux:subversion-perl, p-cpe:/a:amazon:linux:subversion-tools, p-cpe:/a:amazon:linux:mod24_dav_svn, p-cpe:/a:amazon:linux:subversion

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/23/2021

Vulnerability Publication Date: 2/15/2021

Reference Information

CVE: CVE-2020-17525

ALAS: 2021-1483