DoS vulnerabilities in Wireshark

Description

DoS vulnerabilities were found in Wireshark. Malicious users can exploit these vulnerabilities to cause denial of service.

Below is a complete list of vulnerabilities:

1. DoS vulnerability in the FBZERO protocol dissector can be exploited via special crafted file to cause denial of service.
2. DoS vulnerability in the GQUIC protocol dissector can be exploited via special crafted file to cause denial of service.

Original advisories

• wnpa-sec-2020-14 · FBZERO dissector crash

• wnpa-sec-2020-15 · GQUIC dissector crash

Exploitation

Public exploits exist for this vulnerability.

Related products

• Wireshark

CVE list

• CVE-2020-26575
  critical
• CVE-2020-28030
  critical

Read more

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