Vulnerability identifier: #VU53976
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-835
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Wireshark
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Wireshark.org
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the DVB-S2-BB dissector. A remote attacker can consume all available system resources and cause denial of service conditions.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Wireshark: 3.4.0 - 3.4.5
External links
http://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.json
http://www.wireshark.org/security/wnpa-sec-2021-05.html
http://gitlab.com/wireshark/wireshark/-/merge_requests/3130
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.