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Debian DSA-4293-1 : discount - security update

medium Nessus Plugin ID 117503

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Synopsis

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

Description

Several heap buffer overflows were found in discount, an implementation of the Markdown markup language, that could be triggered with specially crafted Markdown data and would cause discount to read past the end of internal buffers.

Solution

Upgrade the discount packages.

For the stable distribution (stretch), these problems have been fixed in version 2.2.2-1+deb9u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901912

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

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

https://www.debian.org/security/2018/dsa-4293

Plugin Details

Severity: Medium

ID: 117503

File Name: debian_DSA-4293.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/17/2018

Updated: 11/13/2018

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, cpe:/o:debian:debian_linux:9.0

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

Patch Publication Date: 9/14/2018

Reference Information

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

DSA: 4293