CVE-2019-19945
OpenWrt uhttpd Integer Overflow Buffer Overflow Vulnerability
Description
uhttpd in OpenWrt through 18.06.5 and 19.x through 19.07.0-rc2 has an integer signedness error. This leads to out-of-bounds access to a heap buffer and a subsequent crash. It can be triggered with an HTTP POST request to a CGI script, specifying both "Transfer-Encoding: chunked" and a large negative Content-Length value.
INFO
Published Date :
March 16, 2020, 6:15 p.m.
Last Modified :
May 24, 2023, 3:01 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2019-19945 has a 2 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-2019-19945.
| URL | Resource |
|---|---|
| https://github.com/openwrt/openwrt/commits/master | Patch Third Party Advisory |
| https://openwrt.org/advisory/2020-01-13-1 | Vendor 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
Dockerfile HTML
OpenWRT DOS Exploit, unfort. no RCE ;)
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-19945 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-19945 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-681 CWE-125 -
Initial Analysis by [email protected]
Mar. 20, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/openwrt/openwrt/commits/master No Types Assigned https://github.com/openwrt/openwrt/commits/master Patch, Third Party Advisory Changed Reference Type https://openwrt.org/advisory/2020-01-13-1 No Types Assigned https://openwrt.org/advisory/2020-01-13-1 Vendor Advisory Added CWE NIST CWE-119 Added CPE Configuration OR *cpe:2.3:a:openwrt:openwrt:*:*:*:*:*:*:*:* versions from (including) 18.06.0 up to (including) 18.06.5 *cpe:2.3:a:openwrt:openwrt:19.07.0:-:*:*:*:*:*:* *cpe:2.3:a:openwrt:openwrt:19.07.0:rc1:*:*:*:*:*:* *cpe:2.3:a:openwrt:openwrt:19.07.0:rc2:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-19945 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-2019-19945
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.00%
score
0.43820
percentile