CVE-2020-4031 — Use After Free in Freerdp

CWE-416 — Use After Free12 documents7 sources
Severity
7.5HIGHNVD
CNA3.5
EPSS
0.3%
top 49.83%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
FreerdpCanonical Ubuntu LinuxDebian Linux+2 more
Timeline
PublishedJun 22
Latest updateSep 1

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:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5freerdp/freerdp< 2.1.2
▶NVDfreerdp/freerdp< 2.1.2
▶NVDopensuse/leap15.1

Also affects: Debian Linux 10.0, Fedora 31, 32, Ubuntu Linux 18.04, 20.04

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
CVEList
Use-After-Free in gdi_SelectObject in FreeRDP↗2020-06-22
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OSV
CVE-2020-4031: In FreeRDP before version 2↗2020-06-22
▶

📋Vendor Advisories

3
Ubuntu
FreeRDP vulnerabilities↗2020-09-01
▶
Red Hat
freerdp: use-after-free in gdi_SelectObject↗2020-06-22
▶
Debian
CVE-2020-4031: freerdp2 - In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject. ...↗2020
▶

💬Community

6
Bugzilla
CVE-2020-4031 freerdp: use-after-free in gdi_SelectObject [fedora-all]↗2020-07-08
▶
Bugzilla
CVE-2020-4031 freerdp: use-after-free in gdi_SelectObject↗2020-07-08
▶
Bugzilla
CVE-2020-4031 freerdp: use-after-free in gdi_SelectObject [epel-all]↗2020-07-08
▶
Bugzilla
CVE-2020-11526 freerdp: Stream pointer out of bounds in update_recv_secondary_order could lead out of bounds read later↗2020-05-15
▶
Bugzilla
CVE-2020-11525 freerdp: out-of-bounds read in bitmap.c↗2020-05-15
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CVE-2020-4031 — Use After Free in Freerdp | cvebase