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CVE-2017-13024: tcpdump can over-read data and crash

CVE-2017-13024 · published 9 years ago

Summary

The network capture tool tcpdump may read beyond the end of a data buffer when handling IPv6 mobility information, which could cause the program to stop working. This affects versions before 4.9.2 on Linux systems such as Debian. Update tcpdump to version 4.9.2 or later to prevent the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
tcpdump	tcpdump	<= 4.9.1 `cpe:2.3:a:tcpdump:tcpdump::::::::`
debian	debian_linux	8.0 9.0 10.0 `cpe:2.3:o:debian:debian_linux:8.0:::::::*`

Original advisory text

The IPv6 mobility parser in tcpdump before 4.9.2 has a buffer over-read in print-mobility.c:mobility_opt_print().

References

http://www.debian.org/security/2017/dsa-3971 Third Party Advisory
http://www.securitytracker.com/id/1039307 Third Party Advisory VDB Entry
http://www.tcpdump.org/tcpdump-changes.txt Vendor Advisory
https://access.redhat.com/errata/RHEA-2018:0705 Third Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/2e1f6d9320afa83abc1ff716c798... Issue Tracking Third Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/7d3aba9f06899d0128ef46e8a2fa... Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201709-23 Third Party Advisory
https://support.apple.com/HT208221 Third Party Advisory

Fix within

Internet-facing 3 days

Internal 60 days

Not known to be exploited
Can be exploited automatically
Gives an attacker full control

Severity

9.8 Critical

Exploitation

3% chance of attack within 30 days

Type

CWE-125Out-of-bounds Read

Timeline

Published14 Sep 2017

Updated4 Nov 2026

First seen29 Sep 2026

Sources

CVE-2017-13024 · NVD

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