CVE-2021-28904
Libyang Yang Library Immutable Object Comparison Vulnerability
Description
In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.
INFO
Published Date :
May 20, 2021, 7:15 p.m.
Last Modified :
April 5, 2022, 6:08 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-28904 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-2021-28904.
| URL | Resource |
|---|---|
| https://github.com/CESNET/libyang/issues/1451 | Exploit Issue Tracking Third Party Advisory |
| https://security.gentoo.org/glsa/202107-54 | 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).
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The following list is the news that have been mention
CVE-2021-28904 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-28904 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]
Apr. 05, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202107-54 No Types Assigned https://security.gentoo.org/glsa/202107-54 Third Party Advisory -
CVE Modified by [email protected]
Jul. 24, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202107-54 [No Types Assigned] -
Initial Analysis by [email protected]
May. 24, 2021
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/CESNET/libyang/issues/1451 No Types Assigned https://github.com/CESNET/libyang/issues/1451 Exploit, Issue Tracking, Third Party Advisory Added CWE NIST CWE-252 Added CPE Configuration OR *cpe:2.3:a:cesnet:libyang:*:*:*:*:*:*:*:* versions up to (including) 1.0.225
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-28904 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-2021-28904
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.02%
score
0.45503
percentile