Debian DSA-4219-1 : jruby - security update

critical Nessus Plugin ID 110418
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

Several vulnerabilities were discovered in jruby, a Java implementation of the Ruby programming language. They would allow an attacker to use specially crafted gem files to mount cross-site scripting attacks, cause denial of service through an infinite loop, write arbitrary files, or run malicious code.

Solution

Upgrade the jruby packages.

For the stable distribution (stretch), these problems have been fixed in version 1.7.26-1+deb9u1.

In addition, this message serves as an announcement that security support for jruby in the Debian 8 oldstable release (jessie) is now discontinued.

Users of jruby in Debian 8 that want security updates are strongly encouraged to upgrade now to the current Debian 9 stable release (stretch).

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=895778

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

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

https://www.debian.org/security/2018/dsa-4219

Plugin Details

Severity: Critical

ID: 110418

File Name: debian_DSA-4219.nasl

Version: 1.4

Type: local

Agent: unix

Published: 6/11/2018

Updated: 11/13/2018

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:jruby, cpe:/o:debian:debian_linux:9.0

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

Patch Publication Date: 6/8/2018

Reference Information

CVE: CVE-2018-1000073, CVE-2018-1000074, CVE-2018-1000075, CVE-2018-1000076, CVE-2018-1000077, CVE-2018-1000078, CVE-2018-1000079

DSA: 4219