CVE-2018-5721
ASUS Router HTTP Stack-Based Buffer Overflow Vulnerability
Description
Stack-based buffer overflow in the ej_update_variables function in router/httpd/web.c on ASUS routers (when using software from https://github.com/RMerl/asuswrt-merlin) allows web authenticated attackers to execute code via a request that updates a setting. In ej_update_variables, the length of the variable action_script is not checked, as long as it includes a "_wan_if" substring.
INFO
Published Date :
Jan. 17, 2018, 6:29 a.m.
Last Modified :
Aug. 24, 2020, 5:37 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2018-5721 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-2018-5721.
| URL | Resource |
|---|---|
| http://www.w0lfzhang.com/2018/01/17/ASUS-router-stack-overflow-in-http-server/ | Exploit 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
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-5721 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-5721 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 -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-119 CWE-787 -
Reanalysis by [email protected]
Mar. 11, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed CPE Configuration OR *cpe:2.3:o:asuswrt-merlin_project:asuswrt-merlin:*:*:*:*:*:*:*:* versions up to (including) 382.1_2 OR *cpe:2.3:o:asuswrt-merlin:asuswrt-merlin:*:*:*:*:*:*:*:* versions up to (including) 382.1_2 -
Initial Analysis by [email protected]
Feb. 02, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.w0lfzhang.com/2018/01/17/ASUS-router-stack-overflow-in-http-server/ No Types Assigned http://www.w0lfzhang.com/2018/01/17/ASUS-router-stack-overflow-in-http-server/ Exploit, Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:o:asuswrt-merlin_project:asuswrt-merlin:*:*:*:*:*:*:*:* versions up to (including) 382.1_2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-5721 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-2018-5721
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.00%
score
0.39884
percentile