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almalinuxAlmaLinuxALSA-2021:1849
HistoryMay 18, 2021 - 6:14 a.m.

Moderate: freerdp security, bug fix, and enhancement update

2021-05-1806:14:36
errata.almalinux.org
19
freerdp
remote desktop protocol
security fix
upstream version
out of bounds
integer overflow
memory access
apache license
cve-2020-4030
cve-2020-11095
cve-2020-11097
cve-2020-11099
cve-2020-15103
cve-2020-4033
cve-2020-11096
cve-2020-11098
almalinux release notes

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

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

EPSS

0.004

Percentile

72.3%

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.

The following packages have been upgraded to a later upstream version: freerdp (2.2.0). (BZ#1881971)

Security Fix(es):

  • freerdp: out of bounds read in TrioParse (CVE-2020-4030)

  • freerdp: out of bound reads resulting in accessing memory location outside of static array PRIMARY_DRAWING_ORDER_FIELD_BYTES (CVE-2020-11095)

  • freerdp: out of bounds read in PRIMARY_DRAWING_ORDER_FIELD_BYTES (CVE-2020-11097)

  • freerdp: out of bounds read in license_read_new_or_upgrade_license_packet (CVE-2020-11099)

  • freerdp: integer overflow due to missing input sanitation in rdpegfx channel (CVE-2020-15103)

  • freerdp: out-of-bounds read in RLEDECOMPRESS (CVE-2020-4033)

  • freerdp: out-of-bound read in update_read_cache_bitmap_v3_order (CVE-2020-11096)

  • freerdp: out-of-bound read in glyph_cache_put (CVE-2020-11098)

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.

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

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

EPSS

0.004

Percentile

72.3%