RHEL 8 : librepo (RHSA-2020:3749)

high Nessus Plugin ID 140594

Synopsis

The remote Red Hat host is missing a security update for librepo.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:3749 advisory.

The librepo library provides a C and Python API to download repository metadata.

Security Fix(es):

* librepo: missing path validation in repomd.xml may lead to directory traversal (CVE-2020-14352)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

Update the RHEL librepo package based on the guidance in RHSA-2020:3749.

See Also

http://www.nessus.org/u?9deedd5c

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2020:3749

https://bugzilla.redhat.com/show_bug.cgi?id=1866498

Plugin Details

Severity: High

ID: 140594

File Name: redhat-RHSA-2020-3749.nasl

Version: 1.11

Type: local

Agent: unix

Published: 9/15/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2020-14352

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:python3-librepo, p-cpe:/a:redhat:enterprise_linux:librepo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2020

Vulnerability Publication Date: 8/30/2020

Reference Information

CVE: CVE-2020-14352

CWE: 22

IAVB: 2020-B-0055

RHSA: 2020:3749