CVE-2020-11046

Improper Restriction of Operations within the Bounds of a Memory Buffer in FreeRDP

Severity Score

2.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In FreeRDP after 1.0 and before 2.0.0, there is a stream out-of-bounds seek in update_read_synchronize that could lead to a later out-of-bounds read.

En FreeRDP versiones posteriores a 1.0 y versiones anteriores a 2.0.0, se presenta una búsqueda fuera de límites de flujo de datos en update_read_synchronize que podría conllevar a una lectura posterior fuera de límites.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-03-30 CVE Reserved
2020-05-07 CVE Published
2024-08-04 CVE Updated
2024-08-31 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-125: Out-of-bounds Read

CAPEC

References (9)

URL	Tag	Source
https://github.com/FreeRDP/FreeRDP/issues/6006	Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hx48-wmmm-mr5q	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html	Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/FreeRDP/FreeRDP/commit/ed53cd148f43cbab905eaa0f5308c2bf3c48cc37	2023-10-24

URL	Date	SRC
https://usn.ubuntu.com/4379-1	2023-10-24
https://usn.ubuntu.com/4382-1	2023-10-24
https://access.redhat.com/security/cve/CVE-2020-11046	2020-11-04
https://bugzilla.redhat.com/show_bug.cgi?id=1835403	2020-11-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Freerdp Search vendor "Freerdp"		Freerdp Search vendor "Freerdp" for product "Freerdp"				> 1.0.0 < 2.0.0 Search vendor "Freerdp" for product "Freerdp" and version " > 1.0.0 < 2.0.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04"		lts		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected