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Debian Security Advisory DSA-4259-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
July 31, 2018                         https://www.debian.org/security/faq
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Package        : ruby2.3
CVE ID         : CVE-2017-17405 CVE-2017-17742 CVE-2017-17790 CVE-2018-6914 
                 CVE-2018-8777  CVE-2018-8778  CVE-2018-8779  CVE-2018-8780 
                 CVE-2018-1000073 CVE-2018-1000074 CVE-2018-1000075
     CVE-2018-1000076 CVE-2018-1000077 CVE-2018-1000078
     CVE-2018-1000079

Several vulnerabilities have been discovered in the interpreter for the
Ruby language, which may result in incorrect processing of HTTP/FTP,
directory traversal, command injection, unintended socket creation or
information disclosure.

This update also fixes several issues in RubyGems which could 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.

For the stable distribution (stretch), these problems have been fixed in
version 2.3.3-1+deb9u3.

We recommend that you upgrade your ruby2.3 packages.

For the detailed security status of ruby2.3 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ruby2.3

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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