CVE-2019-5786
Google Chrome Blink Use-After-Free Vulnerability - [Actively Exploited]
Description
Object lifetime issue in Blink in Google Chrome prior to 72.0.3626.121 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
INFO
Published Date :
June 27, 2019, 5:15 p.m.
Last Modified :
Feb. 5, 2025, 1:59 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Google Chrome Blink contains a heap use-after-free vulnerability that allows an attacker to potentially perform out of bounds memory access via a crafted HTML page.
Apply updates per vendor instructions.
https://nvd.nist.gov/vuln/detail/CVE-2019-5786
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update the Google Chrome or Chromium browser to the latest version.
- Update the chromium packages.
Public PoC/Exploit Available at Github
CVE-2019-5786 has a 26 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-2019-5786.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html | Release Notes Vendor Advisory |
| https://crbug.com/936448 | Exploit Issue Tracking |
| https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html | Release Notes Vendor Advisory |
| https://crbug.com/936448 | Exploit Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-5786 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-2019-5786
weaknesses.
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).
DayOne: Critical Vulnerability Root Cause Analysis Platform
Python JavaScript Ruby HTML Assembly Makefile C Objective-C Shell Dockerfile
None
Shell
None
Shell
None
Shell
A curated list of my GitHub stars! Generated by starred
None
None
Shell
Repo for various public facing talks, presentations and other fun stuff
Python C
None
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
None
HTML
TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things
bugbounty cve exp exploit payload poc rce vulnerability
Shell
安全类各家文库大乱斗
HTML CSS JavaScript Go Python Shell C
None
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-5786 vulnerability anywhere in the article.
-
CybersecurityNews
What is Use-After-Free Vulnerability? – Impact and Mitigation
Use-after-free (UAF) vulnerabilities represent one of the most critical and prevalent security threats in modern software systems, particularly affecting applications written in memory-unsafe language ... Read more
The following table lists the changes that have been made to the
CVE-2019-5786 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.
-
Modified Analysis by [email protected]
Feb. 05, 2025
Action Type Old Value New Value -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Feb. 03, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CWE CWE-416 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html Added Reference https://crbug.com/936448 -
Modified Analysis by [email protected]
Jul. 02, 2024
Action Type Old Value New Value Changed Reference Type https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html No Types Assigned https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html Release Notes, Vendor Advisory Changed Reference Type https://crbug.com/936448 No Types Assigned https://crbug.com/936448 Exploit, Issue Tracking Removed CPE Configuration OR *cpe:2.3:a:google:puppeteer:*:*:*:*:*:node.js:*:* versions up to (excluding) 1.13.0 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Feb. 15, 2024
Action Type Old Value New Value Changed Vulnerability Name Google Chrome Use-After-Free Vulnerability Google Chrome Blink Use-After-Free Vulnerability -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Chrome https://crbug.com/936448 [No types assigned] Added Reference Chrome https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html [No types assigned] Removed Reference Google Inc. https://crbug.com/936448 Removed Reference Google Inc. https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html -
CVE Source Update by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Source Google Inc. Chrome -
Reanalysis by [email protected]
Jun. 09, 2023
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:google:puppeteer:*:*:*:*:*:node.js:*:* versions up to (excluding) 1.13.0 -
Initial Analysis by [email protected]
Jul. 01, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html No Types Assigned https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html Vendor Advisory Changed Reference Type https://crbug.com/936448 No Types Assigned https://crbug.com/936448 Exploit, Issue Tracking, Vendor Advisory Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 72.0.3626.121
Vulnerability Scoring Details
Base CVSS Score: 6.5
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
90.52 }} 0.54%
score
0.99590
percentile