RHSA-2024:2208 - Security Advisory

Topic

An update for freerdp is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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 Red Hat Enterprise Linux 9.4 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64
• Red Hat Enterprise Linux Server - AUS 9.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64
• Red Hat CodeReady Linux Builder for x86_64 9 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x

Fixes

• BZ - 2236606 - CVE-2023-40589 freerdp: buffer overflow in ncrush_decompress causes crash with crafted input
• BZ - 2236650 - CVE-2023-40569 freerdp: Out-of-bounds write in the `progressive_decompress` function due to incorrect calculations
• BZ - 2236656 - CVE-2023-40567 freerdp: Out-of-bounds write in clear_decompress_bands_data
• BZ - 2236669 - CVE-2023-40181 freerdp: integer-Underflow leading to Out-Of-Bound Read in zgfx_decompress_segment
• BZ - 2236730 - CVE-2023-40188 freerdp: Out-of-bounds read in general_LumaToYUV444
• BZ - 2236750 - CVE-2023-40186 freerdp: Integer overflow leading to out-of-bound write vulnerability in gdi_CreateSurface
• BZ - 2236759 - CVE-2023-39356 freerdp: missing offset validation leading to Out-of-Bounds Read in gdi_multi_opaque_rect
• BZ - 2236763 - CVE-2023-39353 freerdp: missing offset validation leading to Out Of Bound Read
• BZ - 2236766 - CVE-2023-39352 freerdp: invalid offset validation leading to Out Of Bound Write
• BZ - 2236774 - CVE-2023-39354 freerdp: Out-Of-Bounds Read in nsc_rle_decompress_data
• BZ - 2236779 - CVE-2023-39351 freerdp: Null Pointer Dereference leading DOS in RemoteFX
• BZ - 2236784 - CVE-2023-39350 freerdp: Incorrect offset calculation leading to DOS
• RHEL-10060 - Update freerdp to the latest stable version

CVEs

• CVE-2023-39350
• CVE-2023-39351
• CVE-2023-39352
• CVE-2023-39353
• CVE-2023-39354
• CVE-2023-39356
• CVE-2023-40181
• CVE-2023-40186
• CVE-2023-40188
• CVE-2023-40567
• CVE-2023-40569
• CVE-2023-40589

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.4_release_notes/index