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Debian DLA-1499-1 : discount security update

medium Nessus Plugin ID 117367

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Synopsis

The remote Debian host is missing a security update.

Description

Several heap-based buffer over-reads were found in discount, an implementation of the Markdown markup language in C, that allowed remote attackers to cause a denial of service via specially crafted files.

For Debian 8 'Jessie', these problems have been fixed in version 2.1.7-1+deb8u1.

We recommend that you upgrade your discount 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 packages.

See Also

https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html

https://packages.debian.org/source/jessie/discount

Plugin Details

Severity: Medium

ID: 117367

File Name: debian_DLA-1499.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/10/2018

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

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

CVSS v3

Risk Factor: Medium

Base Score: 5.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:discount, p-cpe:/a:debian:debian_linux:libmarkdown2, p-cpe:/a:debian:debian_linux:libmarkdown2-dbg, p-cpe:/a:debian:debian_linux:libmarkdown2-dev, cpe:/o:debian:debian_linux:8.0

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

Patch Publication Date: 9/8/2018

Reference Information

CVE: CVE-2018-11468, CVE-2018-11503, CVE-2018-11504, CVE-2018-12495