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RHEL 7 : tcpdump (RHSA-2019:3976)

medium Nessus Plugin ID 131377

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Synopsis

The remote Red Hat host is missing a security update for tcpdump.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2019:3976 advisory.

 The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces.

 Security Fix(es):

 * tcpdump: Stack-based buffer over-read in print-hncp.c:print_prefix() via crafted pcap (CVE-2018-19519)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL tcpdump package based on the guidance in RHSA-2019:3976.

See Also

http://www.nessus.org/u?75ddd6ea

https://access.redhat.com/errata/RHSA-2019:3976

https://access.redhat.com/security/updates/classification/#low

https://bugzilla.redhat.com/show_bug.cgi?id=1655374

Plugin Details

Severity: Medium

ID: 131377

File Name: redhat-RHSA-2019-3976.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/27/2019

Updated: 11/7/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2018-19519

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:tcpdump

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/26/2019

Vulnerability Publication Date: 11/25/2018

Reference Information

CVE: CVE-2018-19519

CWE: 125

RHSA: 2019:3976