Debian DLA-2850-1 : libpcap - LTS security update

medium Nessus Plugin ID 156318

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2850 advisory.

Improper PHB header length validation was fixed in libpcap, a library for capturing network traffic. For Debian 9 stretch, this problem has been fixed in version 1.8.1-3+deb9u1. We recommend that you upgrade your libpcap packages. For the detailed security status of libpcap please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libpcap Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at:
https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the libpcap packages.

For Debian 9 stretch, this problem has been fixed in version 1.8.1-3+deb9u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941697

https://security-tracker.debian.org/tracker/source-package/libpcap

https://www.debian.org/lts/security/2021/dla-2850

https://security-tracker.debian.org/tracker/CVE-2019-15165

https://packages.debian.org/source/stretch/libpcap

Plugin Details

Severity: Medium

ID: 156318

File Name: debian_DLA-2850.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/27/2021

Updated: 1/24/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-15165

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libpcap-dev, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:libpcap0.8, p-cpe:/a:debian:debian_linux:libpcap0.8-dev, p-cpe:/a:debian:debian_linux:libpcap0.8-dbg

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 12/26/2021

Vulnerability Publication Date: 10/3/2019

Reference Information

CVE: CVE-2019-15165