CVE-2016-2338
Ruby Psych Heap Overflow Vulnerability
Description
An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. In Psych::Emitter start_document function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array size after mentioned allocation and cause heap overflow.
INFO
Published Date :
Sept. 29, 2022, 3:15 a.m.
Last Modified :
March 1, 2023, 4:35 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2016-2338 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2016-2338.
| URL | Resource |
|---|---|
| http://www.talosintelligence.com/reports/TALOS-2016-0032/ | Exploit Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/03/msg00032.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20221228-0005/ | 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).
CVE-2016-2338 Use-after-free nday full exploit
Ruby
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-2338 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-2338 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]
Mar. 01, 2023
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20221228-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20221228-0005/ Third Party Advisory -
CVE Modified by [email protected]
Dec. 28, 2022
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20221228-0005/ [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 03, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.talosintelligence.com/reports/TALOS-2016-0032/ No Types Assigned http://www.talosintelligence.com/reports/TALOS-2016-0032/ Exploit, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/03/msg00032.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/03/msg00032.html Mailing List, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 29, 2022
Action Type Old Value New Value Removed Reference https://www.cve.org/CVERecord?id=CVE-2016-2338 [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-2016-2338 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-2016-2338
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.86 }} 0.15%
score
0.79982
percentile