CVE-2016-7798
OpenSSL Ruby GCM Mode IV Predictable Attack
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.
INFO
Published Date :
Jan. 30, 2017, 10:59 p.m.
Last Modified :
Nov. 5, 2020, 2:56 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2016-7798 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2016-7798
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-7798.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/09/19/9 | 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/2016/10/01/2 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/93031 | Third Party Advisory VDB Entry |
| https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062 | Patch Third Party Advisory |
| https://github.com/ruby/openssl/issues/49 | Exploit Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html | Mailing List Third Party Advisory |
| https://www.debian.org/security/2017/dsa-3966 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-7798 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-7798 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 05, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2016/09/19/9 Third Party Advisory http://www.openwall.com/lists/oss-security/2016/09/19/9 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2016/09/30/6 Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2016/09/30/6 Mailing List, Patch, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2016/10/01/2 Third Party Advisory http://www.openwall.com/lists/oss-security/2016/10/01/2 Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2017/dsa-3966 No Types Assigned https://www.debian.org/security/2017/dsa-3966 Third Party Advisory Removed CWE NIST CWE-310 Added CWE NIST CWE-326 Changed CPE Configuration OR *cpe:2.3:a:ruby-lang:openssl:*:*:*:*:*:*:*:* versions up to (including) 2.3.1 OR *cpe:2.3:a:ruby-lang:openssl:*:*:*:*:*:ruby:*:* versions up to (excluding) 2.0.0 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 15, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 09, 2017
Action Type Old Value New Value Added Reference https://www.debian.org/security/2017/dsa-3966 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 07, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://github.com/ruby/openssl/issues/49 No Types Assigned https://github.com/ruby/openssl/issues/49 Third Party Advisory, Exploit Changed Reference Type http://www.openwall.com/lists/oss-security/2016/09/30/6 No Types Assigned http://www.openwall.com/lists/oss-security/2016/09/30/6 Third Party Advisory, Patch Changed Reference Type http://www.securityfocus.com/bid/93031 No Types Assigned http://www.securityfocus.com/bid/93031 Third Party Advisory, VDB Entry Changed Reference Type https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062 No Types Assigned https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062 Third Party Advisory, Patch Changed Reference Type http://www.openwall.com/lists/oss-security/2016/09/19/9 No Types Assigned http://www.openwall.com/lists/oss-security/2016/09/19/9 Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2016/10/01/2 No Types Assigned http://www.openwall.com/lists/oss-security/2016/10/01/2 Third Party Advisory Added CWE CWE-310 Added CPE Configuration OR *cpe:2.3:a:ruby-lang:openssl:2.3.1:*:*:*:*:*:*:* (and previous) -
CVE Modified by [email protected]
Feb. 01, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/93031 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-7798 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-7798
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.38 }} -0.03%
score
0.68815
percentile