QID 376219

Date Published: 2021-12-30

QID 376219: Wireshark RTMPT Dissector Infinite Loop Vulnerability (wnpa-sec-2021-17)

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 RTMPT dissector could go into an infinite loop.

Affected version:
Wireshark version: 3.6.0, 3.4.0 to 3.4.10
Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

It may be possible 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 - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Vendor has released a patch for Wireshark 3.6.1, 3.4.11 or later.
    For more details please visit Wireshark.
    Vendor References

    CVEs related to QID 376219

    CVE-2021-4185 |
    Software Advisories
    Advisory ID Software Component Link
    wnpa-sec-2021-17 URL Logo www.wireshark.org/security/wnpa-sec-2021-17.html
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