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Debian Security Advisory DSA 3966-1 (ruby2.3 - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
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.
Affected Software
Affected Software
ruby2.3 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (stretch), these problems have been fixed in version 2.3.3-1+deb9u1. This update also hardens RubyGems against malicious terminal escape sequences (CVE-2017-0899 ). We recommend that you upgrade your ruby2.3 packages.