Debian DLA-768-1 : pgpdump security update

high Nessus Plugin ID 96184

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Synopsis

The remote Debian host is missing a security update.

Description

The read_binary function in buffer.c in pgpdump, a PGP packet visualizer, allows context-dependent attackers to cause a denial of service (infinite loop and CPU consumption) via crafted input. This was assigned CVE-2016-4021.

Also, the read_radix64 function the might read data from beyond the end of a buffer from crafted input.

For Debian 7 'Wheezy', these problems have been fixed in version 0.27-1+deb7u1.

For Debian 8 'Jessie', these problems will be fixed in version 0.28-1+deb8u1, part of the upcoming point release

For Debian 9 'Stretch' and 'Sid', these problems have been fixed in version 0.31-0.1

We recommend that you upgrade your pgpdump packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected pgpdump package.

Plugin Details

Severity: High

ID: 96184

File Name: debian_DLA-768.nasl

Version: 3.6

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/3/2017

Updated: 1/7/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2016-4021

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:7.0, p-cpe:/a:debian:debian_linux:pgpdump

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/30/2016

Reference Information

CVE: CVE-2016-4021

Detections

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