7.5

CVE-2016-7798: debian debian_linux Inadequate Encryption Strength

Modified
AliasesMGASA-2016-0342UBUNTU-CVE-2016-7798DEBIAN-CVE-2016-7798
Published 30-01-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-7798 is a high (CVSS 7.5) Inadequate Encryption Strength vulnerability in debian debian_linux. EPSS estimates a 3.17% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
3.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 4 · Related 2
DLA-1421-1DSA-3966-1SUSE-SU-2020:1570-1USN-3365-1

Timeline

  1. 30-01-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability 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

5 scores · 4 sources · 2 versions

EPSS trend

Probability

3.17%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Openssl

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu5 products
  • ruby-attr-encryptedAll versions (No fix recorded)
  • ruby-encryptorAll versions (No fix recorded)
  • ruby1.9.1< 1.9.3.484-2ubuntu1.3
  • ruby2.0< 2.0.0.484-1ubuntu2.4
  • ruby2.3< 2.3.1-2~16.04.2
Debian3 products
  • ruby-attr-encrypted< 3.0.1-2
  • ruby-encryptor< 3.0.0-1
  • debian_linuxEOL8.0 | 9.0
Mageia1 product
  • ruby< 2.0.0.p648-1.1.mga5
Ruby-lang1 product
RubyGems1 product
  • openssl< 2.0.0

5 vendors · 11 products

References

21 links
Show all 21 references