Memory leak in FreeRDP - CVE-2019-17177

Vulnerability identifier: #VU23150

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-17177

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due memory leak in "libfreerdp/codec/region.c" file when a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value. A remote attacker can cause a denial of service condition on the target system.

FreeRDP
Gentoo Linux
Opensuse
openEuler
freerdp
freerdp-debugsource
libwinpr
freerdp-help
freerdp-debuginfo
libwinpr-devel
freerdp-devel

Install update from vendor's website.

FreeRDP - update to 2.1.0
freerdp - update to 2.2.0-2
freerdp-debugsource - update to 2.2.0-2
libwinpr - update to 2.2.0-2
freerdp-help - update to 2.2.0-2
freerdp-debuginfo - update to 2.2.0-2
libwinpr-devel - update to 2.2.0-2
freerdp-devel - update to 2.2.0-2

• https://github.com/akallabeth/FreeRDP/commit/fc80ab45621bd966f70594c0b7393ec005a94007
• https://github.com/FreeRDP/FreeRDP/issues/5645

• Multiple vulnerabilities in FreeRDP and LodePNG
• OpenSUSE Linux update for freerdp
• OpenSUSE Linux update for freerdp
• Gentoo update for FreeRDP
• openEuler update for freerdp