CVE-2017-12999

critical

Description

The IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c:isis_print().

References

https://support.apple.com/HT208221

https://security.gentoo.org/glsa/201709-23

https://github.com/the-tcpdump-group/tcpdump/commit/3b32029db354cbc875127869d9b12a9addc75b50

https://access.redhat.com/errata/RHEA-2018:0705

http://www.tcpdump.org/tcpdump-changes.txt

http://www.securitytracker.com/id/1039307

http://www.debian.org/security/2017/dsa-3971

Details

Source: Mitre, NVD

Published: 2017-09-14

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01177