Topic

An update for freerdp is now available for Red Hat Enterprise Linux 7.

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.

Description

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: Out-of-bounds write in planar.c (CVE-2020-11521)
• freerdp: Integer overflow in region.c (CVE-2020-11523)
• freerdp: Out-of-bounds write in interleaved.c (CVE-2020-11524)

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.

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

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 1836214 - CVE-2020-11521 freerdp: Out-of-bounds write in planar.c
• BZ - 1836226 - CVE-2020-11524 freerdp: Out-of-bounds write in interleaved.c
• BZ - 1836234 - CVE-2020-11523 freerdp: Integer overflow in region.c

CVEs

• CVE-2020-11521
• CVE-2020-11523
• CVE-2020-11524

References

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