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<define-tag description>LTS security update</define-tag>
<define-tag moreinfo>
<p>Multiple vulnerabilities have been discovered in jruby, Java
implementation of the Ruby programming language.</p>
<ul>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2018-1000074">CVE-2018-1000074</a>
<p>Deserialization of Untrusted Data vulnerability in owner command
that can result in code execution. This attack appear to be
exploitable via victim must run the `gem owner` command on a gem
with a specially crafted YAML file</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2018-1000075">CVE-2018-1000075</a>
<p>an infinite loop caused by negative size vulnerability in ruby gem
package tar header that can result in a negative size could cause an
infinite loop</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2018-1000076">CVE-2018-1000076</a>
<p>Improper Verification of Cryptographic Signature vulnerability in
package.rb that can result in a mis-signed gem could be installed,
as the tarball would contain multiple gem signatures.</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2018-1000077">CVE-2018-1000077</a>
<p>Improper Input Validation vulnerability in ruby gems specification
homepage attribute that can result in a malicious gem could set an
invalid homepage URL</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2018-1000078">CVE-2018-1000078</a>
<p>Cross Site Scripting (XSS) vulnerability in gem server display of
homepage attribute that can result in XSS. This attack appear to be
exploitable via the victim must browse to a malicious gem on a
vulnerable gem server</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2019-8321">CVE-2019-8321</a>
<p>Gem::UserInteraction#verbose calls say without escaping, escape
sequence injection is possible</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2019-8322">CVE-2019-8322</a>
<p>The gem owner command outputs the contents of the API response
directly to stdout. Therefore, if the response is crafted, escape
sequence injection may occur</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2019-8323">CVE-2019-8323</a>
<p>Gem::GemcutterUtilities#with_response may output the API response to
stdout as it is. Therefore, if the API side modifies the response,
escape sequence injection may occur.</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2019-8324">CVE-2019-8324</a>
<p>A crafted gem with a multi-line name is not handled correctly.
Therefore, an attacker could inject arbitrary code to the stub line
of gemspec</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2019-8325">CVE-2019-8325</a>
<p>Gem::CommandManager#run calls alert_error without escaping, escape
sequence injection is possible. (There are many ways to cause an
error.)</p></li>
</ul>
<p>For Debian 8 <q>Jessie</q>, these problems have been fixed in version
1.5.6-9+deb8u1.</p>
<p>We recommend that you upgrade your jruby packages.</p>
<p>Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: <a href="https://wiki.debian.org/LTS">https://wiki.debian.org/LTS</a></p>
</define-tag>
# do not modify the following line
#include "$(ENGLISHDIR)/lts/security/2019/dla-1796.data"
# $Id: $
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