RHEL 8 : libsolv (RHSA-2021:4060)

high Nessus Plugin ID 154836

Synopsis

The remote Red Hat host is missing one or more security updates for libsolv.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4060 advisory.

- libsolv: heap-based buffer overflow in pool_installable() in src/repo.h (CVE-2021-33928)

- libsolv: heap-based buffer overflow in pool_disabled_solvable() in src/repo.h (CVE-2021-33929)

- libsolv: heap-based buffer overflow in pool_installable_whatprovides() in src/repo.h (CVE-2021-33930)

- libsolv: heap-based buffer overflow in prune_to_recommended() in src/policy.c (CVE-2021-33938)

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

Solution

Update the RHEL libsolv package based on the guidance in RHSA-2021:4060.

See Also

http://www.nessus.org/u?270be8f0

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

https://access.redhat.com/errata/RHSA-2021:4060

https://bugzilla.redhat.com/show_bug.cgi?id=2000699

https://bugzilla.redhat.com/show_bug.cgi?id=2000703

https://bugzilla.redhat.com/show_bug.cgi?id=2000705

https://bugzilla.redhat.com/show_bug.cgi?id=2000707

Plugin Details

Severity: High

ID: 154836

File Name: redhat-RHSA-2021-4060.nasl

Version: 1.8

Type: local

Agent: unix

Published: 11/2/2021

Updated: 4/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-33938

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/2/2021

Vulnerability Publication Date: 9/2/2021

Reference Information

CVE: CVE-2021-33928, CVE-2021-33929, CVE-2021-33930, CVE-2021-33938

CWE: 119

RHSA: 2021:4060