CVE-2018-16227: 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

High severity · published Oct 3, 2019

CVE-2018-16227

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

7.5

CVSS

6.8%

EPSS

On KEV

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)6.8% · higher than 94% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

8.0; 9.0; 10.0 · source: NVD

Enterprise Linux · Redhat

7.0; 8.0 · source: NVD

Fedora · Fedoraproject

29; 30; 31 · source: NVD

Leap · Opensuse

15.0; 15.1 · source: NVD

Mac OS X · Apple

before 10.15.2 · source: NVD

Tcpdump · Tcpdump

before 4.9.3 · source: NVD

Affected product

Mac OS X

Apple

All Mac OS X CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-16227

CVE.org

https://www.cve.org/CVERecord?id=CVE-2018-16227

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/4846b3c5d0a850e860baf4f07340495d29837d09

Third Party Advisory

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