RHEL 8 : libsolv (RHSA-2021:4060)

high Nessus Plugin ID 154836

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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.

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

Security Fix(es):

* 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)

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 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.

Plugin Details

Severity: High

ID: 154836

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

Version: 1.10

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/2/2021

Updated: 11/7/2024

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

Vendor

Vendor Severity: Moderate

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: p-cpe:/a:redhat:enterprise_linux:python3-solv, p-cpe:/a:redhat:enterprise_linux:libsolv-tools, cpe:/o:redhat:rhel_eus:8.4, p-cpe:/a:redhat:enterprise_linux:libsolv-devel, 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 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

Detections

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