SB2023022237 - Multiple vulnerabilities in IBM FlashSystem models 840 and 900 

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Main Vulnerability Database SB2023022237

SB2023022237 - Multiple vulnerabilities in IBM FlashSystem models 840 and 900

Published: February 22, 2023

Security Bulletin ID SB2023022237
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2016-0634)

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

The vulnerability exists in the expansion of 'h' in the prompt string due to insufficient validation of user-supplied input. A remote attacker can place shell metacharacters in 'hostname' of a machine and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Command injection (CVE-ID: CVE-2016-7543)

The vulnerability allows a local attacker to execute arbitrary commands on the target system.

The weakness exists due to insufficient validation of user-supplied input. A local attacker can supply specially crafted SHELLOPTS and PS4 environment variables, inject and execute arbitrary commands with root privileges.

3) Use-after-free (CVE-ID: CVE-2016-9401)

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

popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.


Remediation

Install update from vendor's website.

References