Debian Security Advisory
DSA-3966-1 ruby2.3 -- security update
- Date Reported:
- 05 Sep 2017
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2015-9096, CVE-2016-7798, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-14064.
- More information:
Multiple vulnerabilities were discovered in the interpreter for the Ruby language:
SMTP command injection in Net::SMTP.
Incorrect handling of initialization vector in the GCM mode in the OpenSSL extension.
Denial of service in the RubyGems client.
Potential file overwrite in the RubyGems client.
DNS hijacking in the RubyGems client.
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 terminal escape sequences (CVE-2017-0899).
We recommend that you upgrade your ruby2.3 packages.