CVE-2020-7044

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-01-16 · updated 2026-06-17
Weakness: CWE-125

Description

In Wireshark 3.2.x before 3.2.1, the WASSP dissector could crash. This was addressed in epan/dissectors/packet-wassp.c by using >= and <= to resolve off-by-one errors.

Affected products

Fedoraproject Fedora: 30, 31, 32
openSUSE Leap: 15.1
Oracle Corporation Solaris Operating System: 11
Oracle Corporation Oracle ZFS Storage Appliance Kit: 8.8
Wireshark Foundation Wireshark: from 3.2.0 before 3.2.1 — fixed in 3.2.1

How to fix

Upgrade to a fixed version: Wireshark Foundation Wireshark 3.2.1. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16324
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f90a3720b73ca140403315126e2a478c4f70ca03
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZBICEY2HGSNQ3RPBLMDDYVAHGOGS4E2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDVMBCADP73TBISYCS6ARKOSNNJOGXXZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XN2GMGLT5XND7U34WX3O23WKUZ7JHMVN/
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.wireshark.org/security/wnpa-sec-2020-01.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16324
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f90a3720b73ca140403315126e2a478c4f70ca03
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZBICEY2HGSNQ3RPBLMDDYVAHGOGS4E2/

Get alerted when CVE-2020-7044 or the next vulnerability affects your stack