vulnerability

Ubuntu: (Multiple Advisories) (CVE-2017-0902): Ruby vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Aug 31, 2017
Added
Feb 1, 2018
Modified
Aug 18, 2025

Description

It was discovered that Ruby failed to validate specification names.
An attacker could possibly use a maliciously crafted gem to potentially
overwrite any file on the filesystem. (CVE-2017-0901)

It was discovered that Ruby was vulnerable to a DNS hijacking vulnerability.
An attacker could use this to possibly force the RubyGems client to download
and install gems from a server that the attacker controls. (CVE-2017-0902)

It was discovered that Ruby incorrectly handled certain YAML files. An attacker could
use this to possibly execute arbitrary code. (CVE-2017-0903)

Solutions

ubuntu-upgrade-libruby1-9-1ubuntu-upgrade-libruby2-0ubuntu-upgrade-libruby2-3ubuntu-upgrade-ruby1-9-1ubuntu-upgrade-ruby1-9-3ubuntu-upgrade-ruby2-0ubuntu-upgrade-ruby2-3
Title
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