6.5
MEDIUM
CVE-2020-11099
FreeRDP Out-of-Bounds Read Vulnerability
Description

In FreeRDP before version 2.1.2, there is an out of bounds read in license_read_new_or_upgrade_license_packet. A manipulated license packet can lead to out of bound reads to an internal buffer. This is fixed in version 2.1.2.

INFO

Published Date :

June 22, 2020, 10:15 p.m.

Last Modified :

Nov. 7, 2023, 3:14 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.5

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-11099 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 Canonical ubuntu_linux
1 Fedoraproject fedora
1 Debian debian_linux
1 Opensuse leap
1 Freerdp freerdp

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-2020-11099 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-11099 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/ [No types assigned]
    Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/ [No types assigned]
    Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/
    Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/
  • Modified Analysis by [email protected]

    Oct. 20, 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 Issue Tracking, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
    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. 02, 2022

    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 Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/ Mailing List, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4481-1/ No Types Assigned https://usn.ubuntu.com/4481-1/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
  • CVE Modified by [email protected]

    Sep. 08, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4481-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 01, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 30, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/ [No Types Assigned]
  • 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]

    Jul. 13, 2020

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

    Jun. 29, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    Changed Reference Type http://www.freerdp.com/2020/06/22/2_1_2-released No Types Assigned http://www.freerdp.com/2020/06/22/2_1_2-released Release Notes, Vendor Advisory
    Changed Reference Type https://github.com/FreeRDP/FreeRDP/commit/6ade7b4cbfd71c54b3d724e8f2d6ac76a58e879a No Types Assigned https://github.com/FreeRDP/FreeRDP/commit/6ade7b4cbfd71c54b3d724e8f2d6ac76a58e879a Patch, Third Party Advisory
    Changed Reference Type https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-977w-866x-4v5h No Types Assigned https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-977w-866x-4v5h Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* versions up to (excluding) 2.1.2
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-2020-11099 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-11099 weaknesses.

Exploit Prediction

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

0.36 }} -0.00%

score

0.72463

percentile

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