UBUNTU-CVE-2016-7798

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2016-7798
Downstream
USN-3365-1
Published: 30 Jan 2017, 00:00
Last modified:22 Apr 2026, 10:58

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Jan 2017, 00:00
Published
Vulnerability first disclosed
22 Apr 2026, 10:58
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • ubuntu•ruby-attr-encrypted

    all

  • ubuntu•ruby-encryptor

    all

  • ubuntu•ruby1.9.1

    < 1.9.3.484-2ubuntu1.3

  • ubuntu•ruby2.0

    < 2.0.0.484-1ubuntu2.4

  • ubuntu•ruby2.3

    < 2.3.1-2~16.04.2

References (5)