CVE Vulnerabilities

CVE-2017-12989

Loop with Unreachable Exit Condition ('Infinite Loop')

Published: Sep 14, 2017 | Modified: Oct 03, 2019
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
6.5 LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Ubuntu
LOW

The RESP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-resp.c:resp_get_length().

Weakness

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Affected Software

Name Vendor Start Version End Version
Tcpdump Tcpdump * 4.9.1 (including)
Red Hat Enterprise Linux 7 RedHat tcpdump-14:4.9.2-3.el7 *
Tcpdump Ubuntu trusty *
Tcpdump Ubuntu upstream *
Tcpdump Ubuntu xenial *
Tcpdump Ubuntu zesty *

References