SB2017091922 - Fedora 26 update for libmspack

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Main Vulnerability Database SB2017091922

SB2017091922 - Fedora 26 update for libmspack

Published: September 19, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017091922
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2017-6419)

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists due to heap-based buffer overflow. A remote attacker can send a specially crafted CHM file, trick the victim into opening it and cause the service to crash or execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


2) Stack-based buffer over-read (CVE-ID: CVE-2017-11423)

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

The weakness exists in the cabd_read_string function due to stack-based buffer over-read. A remote attacker can send a specially crafted CAB file, trick the victim into opening it, trigger memory corruption and cause the service to crash.


Remediation

Install update from vendor's website.

References