Loop with Unreachable Exit Condition ('Infinite Loop') Affecting tcpdump package, versions <4.9.2-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.72% (82nd percentile)

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  • Snyk IDSNYK-DEBIAN11-TCPDUMP-516012
  • published14 Sept 2017
  • disclosed14 Sept 2017

Introduced: 14 Sep 2017

CVE-2017-12989  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Debian:11 tcpdump to version 4.9.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tcpdump package and not the tcpdump package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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().