CVE-2016-7798

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.

• CWE-326

• http://www.openwall.com/lists/oss-security/2016/09/19/9Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/09/30/6Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/10/01/2Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/93031Third Party Advisory, VDB Entry
• https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062Patch, Third Party Advisory
• https://github.com/ruby/openssl/issues/49Exploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
• https://www.debian.org/security/2017/dsa-3966Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/09/19/9Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/09/30/6Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/10/01/2Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/93031Third Party Advisory, VDB Entry
• https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062Patch, Third Party Advisory
• https://github.com/ruby/openssl/issues/49Exploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
• https://www.debian.org/security/2017/dsa-3966Third Party Advisory

Published

Jan 30, 2017

Last Modified

Jun 17, 2026

Status

Modified

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