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CVE-2016-7798

ruby: IV Reuse in GCM Mode

The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes it easier for context-dependent attackers to bypass the encryption protection mechanism.

CVSS 3.1 · 7.5 High EPSS 3.2% KEV · Not listed
Vendors
Debian Ruby-lang
Products
Debian Linux Openssl
CVE-2018-16395

ruby: OpenSSL::X509:: Name equality check does not work correctly

An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. When two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first argument is one character longer than the second, or the second argument contains a character that is one less than a character in the same position of the first argument, the result of == will be true. This could be leveraged to create an illegitimate certificate that may be accepted as legitimate and then used in signing or encryption operations.

CVSS 3.0 · 9.8 Critical EPSS 10.7% KEV · Not listed
Vendors
Canonical Debian Redhat and 1 more
Products
Ubuntu Linux Debian Linux Enterprise Linux and 4 more