QID 376104

Date Published: 2021-11-25

QID 376104: Wireshark PNRP Dissector Large Loop Vulnerability (wnpa-sec-2021-11)

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 PNRP dissector could go into a large loop.

Affected version:
Wireshark Version: 3.4.0 to 3.4.9, 3.2.0 to 3.2.17

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 High - 7.8 severity.

Solution

Vendor has released a patch for Wireshark 3.4.10, 3.2.18 or later addressing this vulnerability.
For more details please visit Wireshark.

Vendor References

wnpa-sec-2021-11 - www.wireshark.org/security/wnpa-sec-2021-11

CVEs related to QID 376104

Software Advisories

Advisory ID	Software	Component	Link
wnpa-sec-2021-11			www.wireshark.org/security/wnpa-sec-2021-11

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