SB2020012913 - Integer overflow in UPX



SB2020012913 - Integer overflow in UPX

Published: January 29, 2020 Updated: November 17, 2022

Security Bulletin ID SB2020012913
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) Integer overflow (CVE-ID: CVE-2019-14295)

The vulnerability allows an attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in getElfSections() function in p_vmlinx.cpp via a skewed offset larger than the size of the PE section in a UPX packed executable. An attacker can create a specially crafted file, trigger integer overflow and trigger an allocation of excessive memory.


Remediation

Install update from vendor's website.