SB2014070303 - Integer overflow in LZ4 implementation in Linux kernel



SB2014070303 - Integer overflow in LZ4 implementation in Linux kernel

Published: July 3, 2014 Updated: May 24, 2021

Security Bulletin ID SB2014070303
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Integer overflow (CVE-ID: CVE-2014-4611)

The vulnerability allows a remote attacker to compromise the affected system.

the vulnerability exists due to integer overflow in the LZ4 algorithm implementation, as used in the lz4_uncompress function in lib/lz4/lz4_decompress.c in the Linux kernel on 32-bit platforms. A remote attacker create a specially crafted archive, trick the victim into opening it, trigger integer overflow and execute arbitrary code on the system.


Remediation

Install update from vendor's website.