CVE-2016-7798

Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 30 Jan 2017, 22:00
Last modified:06 Aug 2024, 02:04

Vulnerability Summary

Overall Risk (default)
medium
40/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.56% LOW
1% probability -0.23%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

30 Jan 2017, 22:00
Published
Vulnerability first disclosed
06 Aug 2024, 02:04
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
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.56%• Percentile: 69%

Techniques & Countermeasures

  • CWE-326•Inadequate Encryption Strength

    The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.

Affected Systems

  • debian•debian_linux

    8.0 | 9.0

  • ruby-lang•openssl

    < 2.0.0

References (8)