SB2020072701 - OpenSUSE Linux update for freerdp
Published: July 27, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 31 secuirty vulnerabilities.
1) Double Free (CVE-ID: CVE-2020-11017)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in "cliprdr_server_receive_capabilities" function. A remote attacker can pass specially crafted data to the application, trigger double free error and cause a denial of service condition on the target system.
2) Out-of-bounds read (CVE-ID: CVE-2020-11018)
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the "cliprdr_server_receive_capabilities" function. A remote authenticated attacker can send a specially crafted request, trigger out-of-bounds read error and read contents of memory on the system or cause a denial of service condition.
3) Out-of-bounds read (CVE-ID: CVE-2020-11019)
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in "update_recv" function, when running with logger set to "WLOG_TRACE". A remote authenticated attacker can trigger out-of-bounds read error and read contents of memory on the system or cause a denial of service condition.
4) Integer overflow (CVE-ID: CVE-2020-11038)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in VIDEO channel. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
5) Integer overflow (CVE-ID: CVE-2020-11039)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in USB redirection channel. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
6) Out-of-bounds read (CVE-ID: CVE-2020-11040)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the "clear_decompress_subcode_rlex" function, visualized on screen as color. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
7) Improper Validation of Array Index (CVE-ID: CVE-2020-11041)
The vulnerability allows a remote user to perform a denal of service (DoS) attack.
The vulnerability exists due to unchecked read of array offset in "rdpsnd_recv_wave2_pdu". A remote administrator can crash the client instance followed by no or distorted sound or a session disconnect.
8) Out-of-bounds read (CVE-ID: CVE-2020-11043)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a boundary condition in the "rfx_process_message_tileset" function. A remote attacker can trigger out-of-bounds read error, results in garbage on screen (as colors).
9) Out-of-bounds read (CVE-ID: CVE-2020-11085)
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the "cliprdr_read_format_list" function. A remote authenticated attacker can trigger out-of-bounds read error and read contents of memory on the system or cause a deial of service condition.
10) Out-of-bounds read (CVE-ID: CVE-2020-11086)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the "ntlm_read_ntlm_v2_client_challenge" function. A remote authenticated attacker can trigger out-of-bounds read error and read contents of memory on the system.
11) Out-of-bounds read (CVE-ID: CVE-2020-11087)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the "ntlm_read_AuthenticateMessage" function. A remote authenticated attacker can trigger out-of-bounds read error and read contents of memory on the system.
12) Out-of-bounds read (CVE-ID: CVE-2020-11088)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the "ntlm_read_NegotiateMessage" function. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
13) Out-of-bounds read (CVE-ID: CVE-2020-11089)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the "parallel_process_irp_create", "serial_process_irp_create", "drive_process_irp_write", "printer_process_irp_write", "rdpei_recv_pdu" and "serial_process_irp_write" functions. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
14) Out-of-bounds read (CVE-ID: CVE-2020-11095)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in "update_recv_primary_order". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
15) Out-of-bounds read (CVE-ID: CVE-2020-11096)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in "update_read_cache_bitmap_v3_order". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
16) Out-of-bounds read (CVE-ID: CVE-2020-11097)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in "ntlm_av_pair_get". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
17) Out-of-bounds read (CVE-ID: CVE-2020-11098)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in "glyph_cache_put" when "+glyph-cache" option is enabled. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
18) Out-of-bounds read (CVE-ID: CVE-2020-11099)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in "license_read_new_or_upgrade_license_packet". A remote attacker can send a specially crafted license packet, trigger out-of-bounds read error and read contents of memory on the system.
19) Out-of-bounds write (CVE-ID: CVE-2020-11521)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in "libfreerdp/codec/planar.c". A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Note: This vulnerability affects versions greater than 1.0
20) Out-of-bounds read (CVE-ID: CVE-2020-11522)
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in "libfreerdp/gdi/gdi.c". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system or cause a denial of service condition.
Note: This vulnerability afffects versions greater than 1.0
21) Integer overflow (CVE-ID: CVE-2020-11523)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in "libfreerdp/gdi/region.c". A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: This vulnerability affects versions greater than 1.0
22) Out-of-bounds write (CVE-ID: CVE-2020-11524)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in "libfreerdp/codec/interleaved.c". A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Note: This vulnerability affects versions greater than 1.0
23) Out-of-bounds read (CVE-ID: CVE-2020-11525)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in "libfreerdp/cache/bitmap.c". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
Note: This vulnerability affects versions greater than 1.0
24) Out-of-bounds read (CVE-ID: CVE-2020-11526)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack
The vulnerability exists due to a boundary condition in "update_recv_secondary_order" function in the "libfreerdp/core/update.c" file. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the target system.
Note: This vulnerability affects verions greater than 1.1
25) Out-of-bounds read (CVE-ID: CVE-2020-13396)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within ntlm_read_ChallengeMessage in winpr/libwinpr/sspi/NTLM/ntlm_message.c. A remote attacker can trigger out-of-bounds read error via a specially crafted authentication message and read contents of memory on the system.
26) Out-of-bounds read (CVE-ID: CVE-2020-13397)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within security_fips_decrypt in libfreerdp/core/security.c due to an uninitialized value. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
27) Out-of-bounds write (CVE-ID: CVE-2020-13398)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the crypto_rsa_common() function in libfreerdp/crypto/crypto.c. A remote attacker can send specially crafted data to the application, trigger out-of-bounds write and execute arbitrary code on the target system.
28) Out-of-bounds read (CVE-ID: CVE-2020-4030)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in TrioParse. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
29) Use-after-free (CVE-ID: CVE-2020-4031)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in "gdi_SelectObject" when using compatibility mode with /relax-order-checks. A remote attacker can execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
30) Incorrect Conversion between Numeric Types (CVE-ID: CVE-2020-4032)
The vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to an integer casting issue in "update_recv_secondary_order". A remote attacker can gain access to sensitive information on the target system.
31) Out-of-bounds read (CVE-ID: CVE-2020-4033)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in RLEDECOMPRESS. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.