CVE-2020-4033

OOB Read in RLEDECOMPRESS in FreeRDP

Description

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.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory freerdp.com
Affected: FreeRDP FreeRDP
Published at:
Updated at:

References

Link Tags
http://www.freerdp.com/2020/06/22/2_1_2-released release notes vendor advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7rhj-856w-82p8 third party advisory mitigation
https://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571f5 third party advisory patch
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/ vendor advisory
https://usn.ubuntu.com/4481-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-4033?
CVE-2020-4033 has been scored as a low severity vulnerability.
How to fix CVE-2020-4033?
To fix CVE-2020-4033, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-4033 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-4033 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-4033?
CVE-2020-4033 affects FreeRDP FreeRDP.
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