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almalinuxAlmaLinuxALSA-2024:2208
HistoryApr 30, 2024 - 12:00 a.m.

Moderate: freerdp security update

2024-04-3000:00:00
errata.almalinux.org
12
freerdp
security update
remote desktop protocol
apache license
dos
cve-2023-39350
null pointer dereference
out of bound write
out-of-bounds read
integer overflow
buffer overflow
security issue
cvss score
almalinux
vulnerabilities

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

Low

EPSS

0.003

Percentile

72.2%

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

Security Fix(es):

  • freerdp: Incorrect offset calculation leading to DOS (CVE-2023-39350)
  • freerdp: Null Pointer Dereference leading DOS in RemoteFX (CVE-2023-39351)
  • freerdp: invalid offset validation leading to Out Of Bound Write (CVE-2023-39352)
  • freerdp: missing offset validation leading to Out-of-Bounds Read in gdi_multi_opaque_rect (CVE-2023-39356)
  • freerdp: Integer overflow leading to out-of-bound write vulnerability in gdi_CreateSurface (CVE-2023-40186)
  • freerdp: Out-of-bounds write in clear_decompress_bands_data (CVE-2023-40567)
  • freerdp: Out-of-bounds write in the progressive_decompress function due to incorrect calculations (CVE-2023-40569)
  • freerdp: buffer overflow in ncrush_decompress causes crash with crafted input (CVE-2023-40589)
  • freerdp: missing offset validation leading to Out Of Bound Read (CVE-2023-39353)
  • freerdp: Out-Of-Bounds Read in nsc_rle_decompress_data (CVE-2023-39354)
  • freerdp: integer-Underflow leading to Out-Of-Bound Read in zgfx_decompress_segment (CVE-2023-40181)
  • freerdp: Out-of-bounds read in general_LumaToYUV444 (CVE-2023-40188)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

References

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

Low

EPSS

0.003

Percentile

72.2%