SB2020060254 - Red Hat Enterprise Linux 8.1 Extended Update Support update for freerdp
Published: June 2, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2020-11521)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in "libfreerdp/codec/planar.c". A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Note: This vulnerability affects versions greater than 1.0
2) Integer overflow (CVE-ID: CVE-2020-11523)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in "libfreerdp/gdi/region.c". A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: This vulnerability affects versions greater than 1.0
3) Out-of-bounds write (CVE-ID: CVE-2020-11524)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in "libfreerdp/codec/interleaved.c". A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Note: This vulnerability affects versions greater than 1.0
Remediation
Install update from vendor's website.