SB2020121619 - Out-of-bounds read in Wireshark
Published: December 16, 2020 Updated: December 19, 2020
Security Bulletin ID
SB2020121619
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- 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.