RHEL 8 : mingw-expat (RHSA-2022:7811)

critical Nessus Plugin ID 167142

Synopsis

The remote Red Hat host is missing one or more security updates for mingw-expat.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7811 advisory.

- expat: integer overflow in the doProlog function (CVE-2022-23990)

- expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

- expat: Namespace-separator characters in xmlns[:prefix] attribute values can lead to arbitrary code execution (CVE-2022-25236)

- expat: Stack exhaustion in doctype parsing (CVE-2022-25313)

- expat: Integer overflow in copyString() (CVE-2022-25314)

- expat: Integer overflow in storeRawNames() (CVE-2022-25315)

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 mingw-expat package based on the guidance in RHSA-2022:7811.

See Also

http://www.nessus.org/u?1df3f081

http://www.nessus.org/u?790bc9ea

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

https://bugzilla.redhat.com/show_bug.cgi?id=2048356

https://bugzilla.redhat.com/show_bug.cgi?id=2056350

https://bugzilla.redhat.com/show_bug.cgi?id=2056354

https://bugzilla.redhat.com/show_bug.cgi?id=2056363

https://bugzilla.redhat.com/show_bug.cgi?id=2056366

https://bugzilla.redhat.com/show_bug.cgi?id=2056370

https://access.redhat.com/errata/RHSA-2022:7811

Plugin Details

Severity: Critical

ID: 167142

File Name: redhat-RHSA-2022-7811.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/9/2022

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2022-25315

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:mingw-expat, p-cpe:/a:redhat:enterprise_linux:mingw32-expat, p-cpe:/a:redhat:enterprise_linux:mingw64-expat

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: 11/8/2022

Vulnerability Publication Date: 1/26/2022

Reference Information

CVE: CVE-2022-23990, CVE-2022-25235, CVE-2022-25236, CVE-2022-25313, CVE-2022-25314, CVE-2022-25315

CWE: 179, 190, 770, 787, 838

RHSA: 2022:7811