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CVE-2020-4033

Good to know:

Date: June 21, 2020

In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.

Language: C

Severity Score

3.1

Related Resources (16)

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-4033

Url: https://access.redhat.com/security/cve/CVE-2020-4033

Url: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7rhj-856w-82p8

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-4033

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/

Url: https://security-tracker.debian.org/tracker/CVE-2020-4033

Url: http://www.freerdp.com/2020/06/22/2_1_2-released

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/

Url: https://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571f5

Url: http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html

Url: https://usn.ubuntu.com/4481-1/

Url: https://security.alpinelinux.org/vuln/CVE-2020-4033

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/

Url: https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html

Url: https://www.mend.io/vulnerability-database/CVE-2020-4033

Severity Score

3.1

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version 2.1.2

CVSS v3.1

Base Score:	3.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	LOW
Availability (A):	NONE

CVSS v2

Base Score:	6.4
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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