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Red Hat Enterprise Linux 8.1 RHSA-2021-4620 Important: freerdp Memory Issue

red hat
Calendar Grey November 11, 2021
Dist Redhat Esm H88
An important FreeRDP enhancement has been launched for Red Hat Enterprise Linux 8.1, tackling memory issues and fixing security vulnerabilities.
An update for freerdp is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

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

Summary

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.
Security Fix(es):
* freerdp: improper client input validation for gateway connections allows to overwrite memory (CVE-2021-41159)
* freerdp: improper region checks in all clients allow out of bound write to memory (CVE-2021-41160)
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.

Topics%20covered

Topics Covered

security advisory security update important memory issue red hat enterprise out of bounds freerdp

References

https://access.redhat.com/security/cve/CVE-2021-41159 https://access.redhat.com/security/cve/CVE-2021-41160 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source: freerdp-2.0.0-46.rc4.el8_1.5.src.rpm
aarch64: freerdp-2.0.0-46.rc4.el8_1.5.aarch64.rpm freerdp-debuginfo-2.0.0-46.rc4.el8_1.5.aarch64.rpm freerdp-debugsource-2.0.0-46.rc4.el8_1.5.aarch64.rpm freerdp-libs-2.0.0-46.rc4.el8_1.5.aarch64.rpm freerdp-libs-debuginfo-2.0.0-46.rc4.el8_1.5.aarch64.rpm libwinpr-2.0.0-46.rc4.el8_1.5.aarch64.rpm libwinpr-debuginfo-2.0.0-46.rc4.el8_1.5.aarch64.rpm libwinpr-devel-2.0.0-46.rc4.el8_1.5.aarch64.rpm
ppc64le: freerdp-2.0.0-46.rc4.el8_1.5.ppc64le.rpm freerdp-debuginfo-2.0.0-46.rc4.el8_1.5.ppc64le.rpm freerdp-debugsource-2.0.0-46.rc4.el8_1.5.ppc64le.rpm freerdp-libs-2.0.0-46.rc4.el8_1.5.ppc64le.rpm freerdp-libs-debuginfo-2.0.0-46.rc4.el8_1.5.ppc64le.rpm libwinpr-2.0.0-46.rc4.el8_1.5.ppc64le.rpm libwinpr-debuginfo-2.0.0-46.rc4.el8_1.5.ppc64le.rpm libwinpr-devel-2.0.0-46.rc4.el8_1.5.ppc64le.rpm
s390x: freerdp-2.0.0-46.rc4.el8_1.5.s390x.rpm freerdp-debuginfo-2.0.0-46.rc4.el8_1.5.s390x.rpm freerdp-debugsource-2.0.0-46.rc4.el8_1.5.s390x.rpm freerdp-libs-2.0.0-46.rc4.el8_1.5.s390x.rpm freerdp-libs-debuginfo-2.0.0-46.rc4.el8_1.5.s390x.rpm libwinpr-2.0.0-46.rc4.el8_1.5.s390x.rpm libwinpr-debuginfo-2.0.0-46.rc4.el8_1.5.s390x.rpm libwinpr-devel-2.0.0-46.rc4.el8_1.5.s390x.rpm
x86_64:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4620-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4620
Issue date: 2021-11-11

Topic

An update for freerdp is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update important memory issue red hat enterprise out of bounds freerdp

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2016403 - CVE-2021-41159 freerdp: improper client input validation for gateway connections allows to overwrite memory

2016412 - CVE-2021-41160 freerdp: improper region checks in all clients allow out of bound write to memory

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