CVE-2020-8437
uTorrent Denial of Service (DoS) Bencode Parsing Vulnerability
Description
The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service.
INFO
Published Date :
March 2, 2020, 7:15 p.m.
Last Modified :
May 3, 2022, 2:29 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2020-8437 has a 7 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-2020-8437.
| URL | Resource |
|---|---|
| https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html | Exploit Third Party Advisory |
| https://forum.utorrent.com/forum/13-announcements/ | Vendor Advisory |
| https://twitter.com/va_start | Third Party Advisory |
| https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html | Release Notes 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).
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2020年发布到阿尔法实验室微信公众号的所有安全资讯汇总
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Exploit for uTorrent vulnerability CVE-2020-8437 by whtaguy
Resurrect vulnerabilities one CVE at the times
PHP C Shell HTML Dockerfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-8437 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8437 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]
May. 03, 2022
Action Type Old Value New Value Changed Reference Type https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html No Types Assigned https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html Exploit, Third Party Advisory -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-20 CWE-476 -
CVE Modified by [email protected]
Sep. 30, 2020
Action Type Old Value New Value Added Reference https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 05, 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://forum.utorrent.com/forum/13-announcements/ No Types Assigned https://forum.utorrent.com/forum/13-announcements/ Vendor Advisory Changed Reference Type https://twitter.com/va_start No Types Assigned https://twitter.com/va_start Third Party Advisory Changed Reference Type https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html No Types Assigned https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html Release Notes, Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:a:bittorrent:utorrent:*:*:*:*:*:*:*:* versions up to (including) 3.5.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8437 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-2020-8437
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.87 }} 0.00%
score
0.79832
percentile