RHEL 8 : libsolv (RHSA-2020:4508)

high Nessus Plugin ID 142433

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:4508 advisory.

The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.

The following packages have been upgraded to a later upstream version: libsolv (0.7.11). (BZ#1809106)

Security Fix(es):

* libsolv: out-of-bounds read in repodata_schema2id in repodata.c (CVE-2019-20387)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from 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 affected libsolv and / or python3-solv packages.

See Also

http://www.nessus.org/u?b7e37d18

http://www.nessus.org/u?e7793768

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

https://access.redhat.com/errata/RHSA-2020:4508

https://bugzilla.redhat.com/show_bug.cgi?id=1796536

https://bugzilla.redhat.com/show_bug.cgi?id=1797072

https://bugzilla.redhat.com/show_bug.cgi?id=1809106

Plugin Details

Severity: High

ID: 142433

File Name: redhat-RHSA-2020-4508.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/4/2020

Updated: 6/4/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-20387

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:redhat:enterprise_linux:python3-solv, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:libsolv

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: 11/4/2020

Vulnerability Publication Date: 1/21/2020

Reference Information

CVE: CVE-2019-20387

CWE: 125

RHSA: 2020:4508