Home/CVE/In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with session
CVE

CVE-2020-4033

In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with session

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.

LOW · CVSS 3.1 EPSS 0.00207
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

5
freerdp< 2.1.2
fedoraproject fedoraall versions
opensuse leapall versions
canonical ubuntu linuxall versions
debian linuxall versions
▣

Scoring & Timeline

3.1
LOW · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Jun 2020 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:10768-1
usnUSN-4481-1
suse-csafSUSE-SU-2020:2272-1
suse-csafSUSE-SU-2020:2068-1
suse-csafopenSUSE-SU-2020:1090-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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/0a98c450c58ec150e44781c89aa6f8e7e0f571f5PatchThird 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.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/
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