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RHEL 7 : libsolv (RHSA-2019:2290)

medium Nessus Plugin ID 127707

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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 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:2290 advisory.

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

 Security Fix(es):

 * libsolv: NULL pointer dereference in function testcase_read (CVE-2018-20532)

 * libsolv: NULL pointer dereference in function testcase_str2dep_complex (CVE-2018-20533)

 * libsolv: illegal address access in pool_whatprovides in src/pool.h (CVE-2018-20534)

 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 7.7 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 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-2019:2290.

See Also

http://www.nessus.org/u?cc7115e8

http://www.nessus.org/u?e90605b7

https://access.redhat.com/errata/RHSA-2019:2290

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

https://bugzilla.redhat.com/show_bug.cgi?id=1665532

https://bugzilla.redhat.com/show_bug.cgi?id=1665535

https://bugzilla.redhat.com/show_bug.cgi?id=1665538

https://bugzilla.redhat.com/show_bug.cgi?id=1668256

Plugin Details

Severity: Medium

ID: 127707

File Name: redhat-RHSA-2019-2290.nasl

Version: 1.8

Type: local

Agent: unix

Published: 8/12/2019

Updated: 11/6/2024

Supported Sensors: Agentless Assessment, Continuous 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: Low

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-2018-20534

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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:7, p-cpe:/a:redhat:enterprise_linux:libsolv-tools, p-cpe:/a:redhat:enterprise_linux:python2-solv, p-cpe:/a:redhat:enterprise_linux:libsolv-demo, p-cpe:/a:redhat:enterprise_linux:libsolv-devel, 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: 8/6/2019

Vulnerability Publication Date: 12/28/2018

Reference Information

CVE: CVE-2018-20532, CVE-2018-20533, CVE-2018-20534

CWE: 125, 476

RHSA: 2019:2290