SB2023031731 - Multiple vulnerabilities in Siemens SCALANCE W-700 IEEE 802.11ax devices



SB2023031731 - Multiple vulnerabilities in Siemens SCALANCE W-700 IEEE 802.11ax devices

Published: March 17, 2023

Security Bulletin ID SB2023031731
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 17
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 29% Low 71%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 17 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-42379)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "next_input_file" function. A remote administrator can execute arbitrary code on the target system.


2) Cross-site scripting (CVE-ID: CVE-2022-23395)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


3) Use-after-free (CVE-ID: CVE-2021-42386)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "nvalloc" function. A remote administrator can execute arbitrary code on the target system.


4) Use-after-free (CVE-ID: CVE-2021-42385)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "evaluate" function. A remote administrator can execute arbitrary code on the target system.


5) Use-after-free (CVE-ID: CVE-2021-42384)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "handle_special" function. A remote administrator can execute arbitrary code on the target system.


6) Use-after-free (CVE-ID: CVE-2021-42383)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the awk applet. A remote privileged user can pass a specially crafted input to the application, trigger a use-after-free error and execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


7) Use-after-free (CVE-ID: CVE-2021-42382)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "getvar_s" function. A remote administrator can execute arbitrary code on the target system.


8) Use-after-free (CVE-ID: CVE-2021-42381)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "hash_init" function. A remote administrator can execute arbitrary code on the target system.


9) Use-after-free (CVE-ID: CVE-2021-42380)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "next_input_file" function. A remote administrator can execute arbitrary code on the target system.


10) Use-after-free (CVE-ID: CVE-2021-42378)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "getvar_i" function. A remote administrator can execute arbitrary code on the target system.


11) Release of invalid pointer or reference (CVE-ID: CVE-2021-42377)

CWE-ID: CWE-763 - Release of invalid pointer or reference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker execute arbitrary code on the system.

The vulnerability exists due to improper input validation within the hush applet. A remote attacker can pass a specially crafted input to the application and potentially execute arbitrary shell commands.


12) NULL pointer dereference (CVE-ID: CVE-2021-42376)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in Busybox's hush applet when processing a crafted shell command with a \x03 delimiter character. A local user can pass specially crafted string to the affected applet and crash the application.


13) Input validation error (CVE-ID: CVE-2021-42375)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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/E:U/U:Clear


The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the ash applet. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


14) Out-of-bounds read (CVE-ID: CVE-2021-42374)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in "unlzma". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.


15) NULL pointer dereference (CVE-ID: CVE-2021-42373)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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/E:U/U:Green


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 man applet when a section name is supplied but no page argument is given. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


16) Buffer overflow (CVE-ID: CVE-2018-25032)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when compressing data. A remote attacker can pass specially crafted input to the application, trigger memory corruption and perform a denial of service (DoS) attack.


17) Information Exposure Through an Error Message (CVE-ID: CVE-2018-12886)

CWE-ID: CWE-209 - Information Exposure Through an Error Message

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c. A remote attacker can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.