CVE-2020-12872
Yaws TLS Ciphers Sweet32
Description
yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.
INFO
Published Date :
May 15, 2020, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-12872 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-2020-12872.
| URL | Resource |
|---|---|
| https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075 | Exploit Third Party Advisory |
| https://github.com/erlyaws/yaws/issues/402 | Issue Tracking Third Party Advisory |
| https://github.com/erlyaws/yaws/releases | Release Notes Third Party Advisory |
| https://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70 | |
| https://sweet32.info/ | 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
Python Shell PDDL
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-12872 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-12872 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70 [No types assigned] Removed Reference MITRE https://medium.com/@charlielabs101/cve-2020-12872-df315411aa70 -
Modified Analysis by [email protected]
Jan. 20, 2023
Action Type Old Value New Value Changed Reference Type https://github.com/erlyaws/yaws/issues/402 No Types Assigned https://github.com/erlyaws/yaws/issues/402 Issue Tracking, Third Party Advisory -
CVE Modified by [email protected]
Sep. 14, 2020
Action Type Old Value New Value Changed Description yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks. yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0. Added Reference https://github.com/erlyaws/yaws/issues/402 [No Types Assigned] -
Initial Analysis by [email protected]
May. 19, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075 No Types Assigned https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075 Exploit, Third Party Advisory Changed Reference Type https://github.com/erlyaws/yaws/releases No Types Assigned https://github.com/erlyaws/yaws/releases Release Notes, Third Party Advisory Changed Reference Type https://medium.com/@charlielabs101/cve-2020-12872-df315411aa70 No Types Assigned https://medium.com/@charlielabs101/cve-2020-12872-df315411aa70 Exploit, Third Party Advisory Changed Reference Type https://sweet32.info/ No Types Assigned https://sweet32.info/ Third Party Advisory Added CWE NIST CWE-326 Added CPE Configuration OR *cpe:2.3:a:yaws:yaws:*:*:*:*:*:*:*:* versions from (including) 2.0.2 up to (including) 2.0.6
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-12872 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-2020-12872
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.00%
score
0.33443
percentile