CVE-2020-4033

low-risk

Published 2020-06-22

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.

Do I need to act?

0.21% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 3.1/10 Low

NETWORK / HIGH complexity

Affected Products (7)

Freerdp

Fedora

Leap

Ubuntu Linux

Debian Linux

Affected Vendors

Debian Canonical Fedoraproject Opensuse Freerdp

References (16)

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

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

Patch https://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571...

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

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

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://usn.ubuntu.com/4481-1/

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

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

Patch https://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571...

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

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

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://usn.ubuntu.com/4481-1/

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low-risk

Severity 11/34 · Low

Exploitability 1/34 · Minimal

Exposure 14/34 · Moderate