High severity · published Jun 22, 2020
CVE-2020-4031
In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject
7.5
CVSS
1.6%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
FE
Fedora · Fedoraproject
31; 32 · source: NVD
FR
Freerdp · Freerdp
before 2.1.2 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-4031
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-4031
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
Release Notes
http://www.freerdp.com/2020/06/22/2_1_2-released
Patch
https://github.com/FreeRDP/FreeRDP/commit/6d86e20e1e7caaab4f0c7f89e36d32914dbccc52
Mitigation
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gwcq-hpq2-m74g
Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/
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