6.9
MEDIUM
CVE-2020-11038
FreeRDP Integer Overflow to Buffer Overflow Vulnerability
Description

In FreeRDP less than or equal to 2.0.0, an Integer Overflow to Buffer Overflow exists. When using /video redirection, a manipulated server can instruct the client to allocate a buffer with a smaller size than requested due to an integer overflow in size calculation. With later messages, the server can manipulate the client to write data out of bound to the previously allocated buffer. This has been patched in 2.1.0.

INFO

Published Date :

May 29, 2020, 7:15 p.m.

Last Modified :

Oct. 24, 2023, 3:31 p.m.

Remotely Exploitable :

Yes !

Impact Score :

4.7

Exploitability Score :

1.6
Affected Products

The following products are affected by CVE-2020-11038 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Opensuse leap
1 Freerdp freerdp
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-11038.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html Mailing List Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h25x-cqr6-fp6g Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html Mailing List Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-11038 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-11038 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 24, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 07, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 14, 2021

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html Mailing List, Third Party Advisory
    Removed CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 27, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html [No Types Assigned]
  • Reanalysis by [email protected]

    Jun. 26, 2020

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:P/A:P)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
    Added CWE NIST CWE-787
  • Initial Analysis by [email protected]

    Jun. 01, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h25x-cqr6-fp6g No Types Assigned https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h25x-cqr6-fp6g Third Party Advisory
    Added CWE NIST CWE-190
    Added CPE Configuration OR *cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* versions up to (excluding) 2.1.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-11038 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.31 }} -0.12%

score

0.66575

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability