Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | < 2.1.2 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 18.04 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlMailing ListThird Party Advisory
- http://www.freerdp.com/2020/06/22/2_1_2-releasedRelease NotesVendor Advisory
- https://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571PatchThird Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7rhj-856w-82p8MitigationThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/4481-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlMailing ListThird Party Advisory
- http://www.freerdp.com/2020/06/22/2_1_2-releasedRelease NotesVendor Advisory
- https://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571PatchThird Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7rhj-856w-82p8MitigationThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2020-4033?
CVE-2020-4033 is a vulnerability with a CVSS score of 3.1 (LOW). 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.
How severe is CVE-2020-4033?
CVE-2020-4033 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-4033?
Check the references section above for vendor advisories and patch information. Affected products include: Freerdp Freerdp, Fedoraproject Fedora, Opensuse Leap, Canonical Ubuntu Linux, Debian Debian Linux.