QID 375608

Date Published: 2021-06-07

QID 375608: Wireshark dissector infinite loop Vulnerability (wnpa-sec-2021-05)

Wireshark is a network protocol analyzer available for multiple operating systems. It lets you capture and interactively browse the traffic running on a computer network.

The DVB-S2-BB dissector could go into an infinite loop. Affected version:
Wireshark Version: 3.4.0 to 3.4.5

QID Detection Logic (Authenticated):

Successful exploitation of this vulnerability may allow an attacker to make Wireshark consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Vendor has released a patch for Wireshark 3.4.6 or later addressing this vulnerability.
    For more details please visit Wireshark 3.4.6
    Vendor References

    CVEs related to QID 375608

    CVE-2021-22222 |
    Software Advisories
    Advisory ID Software Component Link
    wireshark-3.2.6 URL Logo www.wireshark.org/docs/relnotes/wireshark-3.4.6.html
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