CVE-2020-4031 Information

Description

In FreeRDP before version 2.1.2 there is a use-after-free in gdi_SelectObject. All FreeRDP clients using compatibility mode with /relax-order-checks are affected. This is fixed in version 2.1.2.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html http://www.freerdp.com/2020/06/22/2_1_2-released https://github.com/FreeRDP/FreeRDP/commit/6d86e20e1e7caaab4f0c7f89e36d32914dbccc52 https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gwcq-hpq2-m74g https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/ https://usn.ubuntu.com/4481-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5