Out-of-bounds Read Affecting tcpdump package, versions <14:4.9.3-1.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.51% (77th percentile)

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  • Snyk IDSNYK-RHEL8-TCPDUMP-3874402
  • published26 Jul 2021
  • disclosed2 Oct 2019

Introduced: 2 Oct 2019

CVE-2018-14881  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:8 tcpdump to version 14:4.9.3-1.el8 or higher.
This issue was patched in RHSA-2020:4760.

NVD Description

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

The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_capabilities_print() (BGP_CAPCODE_RESTART).

References

CVSS Scores

version 3.1