SB2020121620 - Out-of-bounds read in wireshark (Alpine package)



SB2020121620 - Out-of-bounds read in wireshark (Alpine package)

Published: December 16, 2020

Security Bulletin ID SB2020121620
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) Out-of-bounds read (CVE-ID: CVE-2020-26421)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.


Remediation

Install update from vendor's website.