SB2021052747 - Fedora 34 update for wireshark
Published: May 27, 2021
Security Bulletin ID
SB2021052747
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) Buffer overflow (CVE-ID: CVE-2021-22207)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the MS-WSP dissector in Wireshark. A remote attacker can send specially crafted packets over the network or convince the victim to read a malformed packet trace file and consume excessive CPU resources, causing denial of service condition.
Remediation
Install update from vendor's website.