Vulnerability Details : CVE-2020-4032
In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.
Exploit prediction scoring system (EPSS) score for CVE-2020-4032
Probability of exploitation activity in the next 30 days: 0.14%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 50 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-4032
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
nvd@nist.gov |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
nvd@nist.gov |
|
3.1
|
LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N |
1.6
|
1.4
|
security-advisories@github.com |
CWE ids for CVE-2020-4032
-
When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.Assigned by:
- nvd@nist.gov (Secondary)
- security-advisories@github.com (Primary)
References for CVE-2020-4032
-
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
[SECURITY] [DLA 3606-1] freerdp2 security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/
[SECURITY] Fedora 31 Update: freerdp-2.2.0-1.fc31 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
[security-announce] openSUSE-SU-2020:1090-1: important: Security updateThird Party Advisory
-
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3898-mc89-x2vc
Integer casting vulnerability in `update_recv_secondary_order` · Advisory · FreeRDP/FreeRDP · GitHubMitigation;Third Party Advisory
-
https://github.com/FreeRDP/FreeRDP/commit/e7bffa64ef5ed70bac94f823e2b95262642f5296
Fixed OOB read in update_recv_secondary_order · FreeRDP/FreeRDP@e7bffa6 · GitHubPatch;Third Party Advisory
-
http://www.freerdp.com/2020/06/22/2_1_2-released
2.1.2 releasedRelease Notes;Vendor Advisory
-
https://usn.ubuntu.com/4481-1/
USN-4481-1: FreeRDP vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/
[SECURITY] Fedora 32 Update: freerdp-2.2.0-1.fc32 - package-announce - Fedora Mailing-ListsThird Party Advisory
Products affected by CVE-2020-4032
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*