CVE-2017-13687

Description

The Cisco HDLC parser in tcpdump before 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print().

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.01% Top 25%
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://github.com/the-tcpdump-group/tcpdump/commit/a1eefe986065846b6c69dbc09afd9fa1a02c4a3d issue tracking third party advisory patch
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
http://www.tcpdump.org/tcpdump-changes.txt vendor advisory
https://github.com/the-tcpdump-group/tcpdump/commit/866c60236c41cea1e1654c8a071897292f64be49 issue tracking third party advisory
https://access.redhat.com/errata/RHEA-2018:0705 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-13687?
CVE-2017-13687 has been scored as a critical severity vulnerability.
How to fix CVE-2017-13687?
To fix CVE-2017-13687, 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-2017-13687 being actively exploited in the wild?
It is possible that CVE-2017-13687 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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