CVE-2016-7798

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2016-7798
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-01-30T22:59:00
  • Last Modified Date
  • 2020-11-05T14:56:15
Weakness Enumerations
CWE URL
CWE-326 http://cwe.mitre.org/data/definitions/326.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ruby-lang:openssl:*:*:*:*:*:ruby:*:* 1 OR 2.0.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/ruby/openssl/issues/49 Exploit Third Party Advisory
https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062 Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/01/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/30/6 Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/19/9 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93031 Third Party Advisory VDB Entry
https://www.debian.org/security/2017/dsa-3966 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-7798
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7798
History
Created Old Value New Value Data Type Notes
2022-05-10 16:21:00 Added to TrackCVE
2022-12-02 13:27:02 2017-01-30T22:59Z 2017-01-30T22:59:00 CVE Published Date updated
2022-12-02 13:27:02 2020-11-05T14:56:15 CVE Modified Date updated
2022-12-02 13:27:03 Analyzed Vulnerability Status updated