CVE-2018-16227

high-risk

Published 2019-10-03

The IEEE 802.11 parser in tcpdump before 4.9.3 has a buffer over-read in print-802_11.c for the Mesh Flags subfield.

Do I need to act?

3.5% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Tcpdump

Mac Os X

Debian Linux

Fedora

Leap

Enterprise Linux

Debian Redhat Apple Tcpdump Fedoraproject Opensuse

Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html

Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html

Mailing List http://seclists.org/fulldisclosure/2019/Dec/26

Release Notes https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES

Patch https://github.com/the-tcpdump-group/tcpdump/commit/4846b3c5d0a850e860baf4f07340...

Third Party Advisory https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html

Mailing List https://seclists.org/bugtraq/2019/Dec/23

Mailing List https://seclists.org/bugtraq/2019/Oct/28

https://security.netapp.com/advisory/ntap-20200120-0001/

Third Party Advisory https://support.apple.com/kb/HT210788

https://usn.ubuntu.com/4252-1/

https://usn.ubuntu.com/4252-2/

Third Party Advisory https://www.debian.org/security/2019/dsa-4547

Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html

Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html

Mailing List http://seclists.org/fulldisclosure/2019/Dec/26

Release Notes https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES

and 12 more references

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high-risk

Severity 26/34 · High

Exploitability 7/34 · Low

Exposure 17/34 · Moderate