Debian DLA-1113-1 : ruby1.8 security update

critical Nessus Plugin ID 103471


The remote Debian host is missing a security update.


Some vulnerabilities were found in the Ruby 1.8 package that affects the LTS distribution.


Buffer underrun vulnerability in Kernel.sprintf


Escape sequence injection vulnerability in the Basic authentication of WEBrick

For Debian 7 'Wheezy', these problems have been fixed in version

We recommend that you upgrade your ruby1.8 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.


Upgrade the affected packages.

See Also

Plugin Details

Severity: Critical

ID: 103471

File Name: debian_DLA-1113.nasl

Version: 3.6

Type: local

Agent: unix

Published: 9/27/2017

Updated: 1/11/2021

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

Risk Information


Risk Factor: Medium

Score: 6.0


Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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


Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libruby1.8, p-cpe:/a:debian:debian_linux:libruby1.8-dbg, p-cpe:/a:debian:debian_linux:libtcltk-ruby1.8, p-cpe:/a:debian:debian_linux:ri1.8, p-cpe:/a:debian:debian_linux:ruby1.8, p-cpe:/a:debian:debian_linux:ruby1.8-dev, p-cpe:/a:debian:debian_linux:ruby1.8-examples, p-cpe:/a:debian:debian_linux:ruby1.8-full, cpe:/o:debian:debian_linux:7.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/26/2017

Reference Information

CVE: CVE-2017-0898, CVE-2017-10784