CVE-2017-12987

Description

The IEEE 802.11 parser in tcpdump before 4.9.2 has a buffer over-read in print-802_11.c:parse_elements().

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.06% Top 20%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory tcpdump.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201709-23 third party advisory vendor advisory
https://support.apple.com/HT208221 third party advisory
http://www.debian.org/security/2017/dsa-3971 third party advisory vendor advisory
http://www.securitytracker.com/id/1039307 vdb entry third party advisory
https://github.com/the-tcpdump-group/tcpdump/commit/99798bd9a41bd3d03fdc1e949810a38967f20ed3 issue tracking third party advisory patch
https://github.com/the-tcpdump-group/tcpdump/commit/2ecb9d2c67d9119250c54811a6ce4d0f2ddf44f1 issue tracking third party advisory
http://www.tcpdump.org/tcpdump-changes.txt vendor advisory
https://access.redhat.com/errata/RHEA-2018:0705 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-12987?
CVE-2017-12987 has been scored as a critical severity vulnerability.
How to fix CVE-2017-12987?
To fix CVE-2017-12987, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12987 being actively exploited in the wild?
It is possible that CVE-2017-12987 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.