SB2018042495 - Multiple vulnerabilities in IBM Dynamic System Analysis (DSA) Preboot 

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Main Vulnerability Database SB2018042495

SB2018042495 - Multiple vulnerabilities in IBM Dynamic System Analysis (DSA) Preboot

Published: April 24, 2018 Updated: February 19, 2025

Security Bulletin ID SB2018042495
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free error (CVE-ID: CVE-2018-16840)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to use-after-free error in closing an easy handle in the 'Curl_close()' function. A remote unauthenticated attacker can specially crafted data, trigger memory corruption and cause the service to crash.


2) Heap-based buffer overflow (CVE-ID: CVE-2018-16842)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to heap-based buffer over-read in the tool_msgs.c:voutf() function. A remote unauthenticated attacker can specially crafted data, trigger memory corruption to read back out-of-buffer data and cause the service to crash.


Remediation

Install update from vendor's website.

References