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Debian: DSA-3966-1 Critical Advisory For Ruby 2.3 Denial Of Service

debian
Calendar Grey September 5, 2017
Debian Logo
Several vulnerabilities addressed in Ruby 2.3 by Debian DSA-3966-1. Security enhancements suggest an upgrade is advisable.
Multiple vulnerabilities were discovered in the interpreter for the Ruby language: CVE-2015-9096
Topics%20covered

Topics Covered

security advisory denial of service debian ruby smtp injection openssl extension

Summary

Multiple vulnerabilities were discovered in the interpreter for the Ruby
language:

CVE-2015-9096

SMTP command injection in Net::SMTP.

CVE-2016-7798

Incorrect handling of initialization vector in the GCM mode in the
OpenSSL extension.

CVE-2017-0900

Denial of service in the RubyGems client.

CVE-2017-0901

Potential file overwrite in the RubyGems client.

CVE-2017-0902

DNS hijacking in the RubyGems client.

CVE-2017-14064

Heap memory disclosure in the JSON library.

For the stable distribution (stretch), these problems have been fixed in
version 2.3.3-1+deb9u1. This update also hardens RubyGems against
malicious termonal escape sequences (CVE-2017-0899).

We recommend that you upgrade your ruby2.3 packages.

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/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: ruby2.3
CVE ID: CVE-2015-9096 CVE-2016-7798 CVE-2017-0899 CVE-2017-0900

Topics%20covered

Topics Covered

security advisory denial of service debian ruby smtp injection openssl extension

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