SB2017072601 - Remote DoS in tcpdump



SB2017072601 - Remote DoS in tcpdump

Published: July 26, 2017

Security Bulletin ID SB2017072601
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2017-11108)

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

The vulnerability exists to a boundary error in the EXTRACT_16BITS() function, called from the stp_print function for the Spanning Tree Protocol in tcpdump 4.9.0. A remote attacker can send a specially crafted network packet, trigger heap-based buffer over-read and crash the affected application.

Successful exploitation of the vulnerability may allow an attacker to perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.