SB2024011224 - Gentoo update for FreeRDP
Published: January 12, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 24 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2023-39355)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in RDPGFX_CMDID_RESETGRAPHICS. A remote attacker can cause unexpected behavior.
2) Buffer overflow (CVE-ID: CVE-2023-40589)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in ncrush_decompress. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
3) Out-of-bounds read (CVE-ID: CVE-2023-40576)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in RleDecompress. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.
4) Out-of-bounds read (CVE-ID: CVE-2023-40575)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in general_YUV444ToRGB_8u_P3AC4R_BGRX. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the target system.
5) Out-of-bounds write (CVE-ID: CVE-2023-40574)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in general_YUV444ToRGB_8u_P3AC4R_BGRX. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
6) Out-of-bounds write (CVE-ID: CVE-2023-40569)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in progressive_decompress. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
7) Out-of-bounds write (CVE-ID: CVE-2023-40567)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in clear_decompress_bands_data. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
8) Out-of-bounds read (CVE-ID: CVE-2023-40188)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in general_LumaToYUV444. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the target system.
9) Use-after-free (CVE-ID: CVE-2023-40187)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in avc420_ensure_buffer, avc444_ensure_buffer. A remote attacker can cause unexpected behavior.
10) Integer overflow (CVE-ID: CVE-2023-40186)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the gdi_CreateSurface() function in libfreerdp/gdi/gfx.c. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.
11) Integer underflow (CVE-ID: CVE-2023-40181)
CWE-ID: CWE-191 - Integer underflow
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer underflow in zgfx_decompress_segment. A remote attacker can send a specially crafted request to the affected application, trigger integer underflow and cause a denial of service condition on the target system.
12) Out-of-bounds read (CVE-ID: CVE-2023-39356)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the gdi_multi_opaque_rect() function. A remote attacker can send specially crafted packets to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
13) Out-of-bounds read (CVE-ID: CVE-2022-39316)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it.
Successful exploitation of the vulnerability may allows remote code execution.
14) Out-of-bounds read (CVE-ID: CVE-2023-39354)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in nsc_rle_decompress_data() function in libfreerdp/codec/nsc.c. A remote user can send specially crafted data to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
15) Out-of-bounds read (CVE-ID: CVE-2023-39353)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in libfreerdp/codec/rfx.c. A remote attacker can trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
16) Out-of-bounds write (CVE-ID: CVE-2023-39352)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in libfreerdp/gdi/gfx.c. A remote attacker can send specially crafted data to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.
17) NULL pointer dereference (CVE-ID: CVE-2023-39351)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the rfx_process_message_tileset() function in libfreerdp/codec/rfx.c in RemoteFX. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
18) Integer underflow (CVE-ID: CVE-2023-39350)
CWE-ID: CWE-191 - Integer underflow
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer underflow caused by incorrect offset calculation. A remote attacker can send specially crafted data to the affected application, trigger an integer underflow and perform a denial of service (DoS) attack.
19) Out-of-bounds read (CVE-ID: CVE-2022-41877)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the drive channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server.
20) Absolute Path Traversal (CVE-ID: CVE-2022-39347)
CWE-ID: CWE-36 - Absolute Path Traversal
CVSSv4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to missing path canonicalization and base path check for drive channel. A malicious server can trick the FreeRDP client to read files outside the shared directory.
21) Out-of-bounds read (CVE-ID: CVE-2022-39320)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the urbdrc channel. A malicious server can trick the FreeRDP based client to read out of bound data and send it back to the server.
22) Out-of-bounds read (CVE-ID: CVE-2022-39319)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in urbdrc channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server.
23) Division by zero (CVE-ID: CVE-2022-39318)
CWE-ID: CWE-369 - Divide By Zero
CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a division by zero error in urbdrc channel. A malicious server can pass specially crafted data to the application and crash it.
24) Improper Validation of Array Index (CVE-ID: CVE-2022-39317)
CWE-ID: CWE-129 - Improper Validation of Array Index
CVSSv4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a missing range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it.
Successful exploitation of the vulnerability may allows remote code execution.
Remediation
Install update from vendor's website.