Allocation of Resources Without Limits or Throttling Affecting tcpdump package, versions <14:4.9.3-2.el8


Severity

Recommended
low

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
3.11% (87th percentile)

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  • Snyk IDSNYK-ALMALINUX8-TCPDUMP-5621520
  • published28 May 2023
  • disclosed9 Nov 2021

Introduced: 9 Nov 2021

CVE-2020-8037  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 tcpdump to version 14:4.9.3-2.el8 or higher.
This issue was patched in ALSA-2021:4236.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tcpdump package and not the tcpdump package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.

CVSS Base Scores

version 3.1