SB2018080141 - Fedora 27 update for libmspack

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Main Vulnerability Database SB2018080141

SB2018080141 - Fedora 27 update for libmspack

Published: August 1, 2018 Updated: April 24, 2025

Security Bulletin ID SB2018080141
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Stack-based buffer overflow (CVE-ID: CVE-2018-14679)

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

The vulnerability exists due to stack-based buffer overflow the read_chunk function, as defined in the mspack/chmd.c source code file. A local attacker can send a specially crafted request that submits malicious input, trigger memory corruption and cause the service to crash.


2) Stack-based buffer overflow (CVE-ID: CVE-2018-14681)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to stack-based buffer overflow in the kwajd_read_headers function, as defined in the mspack/kwajd.c source code file. A local attacker can send a specially crafted request that submits malicious input, trigger memory corruption and cause the service to crash or execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


Remediation

Install update from vendor's website.

References