CVE-2020-26575 Detail

Current Description

In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://gitlab.com/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10ab Patch  Third Party Advisory 
https://gitlab.com/wireshark/wireshark/-/issues/16887 Broken Link 
https://gitlab.com/wireshark/wireshark/-/merge_requests/467 Patch  Third Party Advisory 
https://gitlab.com/wireshark/wireshark/-/merge_requests/471 Patch  Third Party Advisory 
https://gitlab.com/wireshark/wireshark/-/merge_requests/472 Patch  Third Party Advisory 
https://gitlab.com/wireshark/wireshark/-/merge_requests/473 Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') cwe source acceptance level NIST  

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Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-26575
NVD Published Date:
10/06/2020
NVD Last Modified:
10/20/2020
Source:
MITRE