SB2018091203 - Denial of service when processing ELF binaries in FreeBSD



SB2018091203 - Denial of service when processing ELF binaries in FreeBSD

Published: September 12, 2018

Security Bulletin ID SB2018091203
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2018-6924)

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 in ELF header parser. A remote attacker can create a specially crafted binary, trick the use into executing it and disclose kernel memory or crash the kernel.


Remediation

Install update from vendor's website.