Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2020-4033

Disclosure Date: June 22, 2020
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

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CVSS V3 Severity and Metrics
Base Score:
6.5 Medium
Impact Score:
2.5
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
None
Availability (A):
Low

General Information

Vendors

  • canonical,
  • debian,
  • fedoraproject,
  • freerdp,
  • opensuse

Products

  • debian linux 10.0,
  • fedora 31,
  • fedora 32,
  • freerdp,
  • leap 15.1,
  • ubuntu linux 18.04,
  • ubuntu linux 20.04
Technical Analysis