Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title virt:8.1 and virt-devel:8.1 security and enhancement update
Informations
Name RHSA-2020:0731 First vendor Publication 2020-03-05
Vendor RedHat Last vendor Modification 2020-03-05
Severity (Vendor) N/A Revision 01

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Overall CVSS Score 9.9
Base Score 9.9 Environmental Score 9.9
impact SubScore 6 Temporal Score 9.9
Exploitabality Sub Score 3.1
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Changed Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score 6.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

An update for the virt:8.1 and virt-devel:8.1 modules is now available for Advanced Virtualization for RHEL 8.1.1.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Advanced Virtualization CodeReady Builder for RHEL 8.1.1 - aarch64, ppc64le, s390x, x86_64 Advanced Virtualization for RHEL 8.1.1 - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.

Security Fix(es):

* QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server (CVE-2020-1711)

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.

Enhancement(s):

* libnbd: new client library for nbd protocol implementation[rhel-8.1.1] (BZ#1802711)

* New package request for RHEL 8: python-pyvmomi[rhel-8.1.1] (BZ#1802712)

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1794290 - CVE-2020-1711 QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2020-0731.html

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 188
Application 2
Os 1
Os 1
Os 2

Alert History

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0
1
Date Informations
2020-05-23 13:03:45
  • Multiple Updates
2020-03-19 13:20:05
  • First insertion