CVE-2021-43114
FORT Validator Denial of Service
Description
FORT Validator versions prior to 1.5.2 will crash if an RPKI CA publishes an X.509 EE certificate. This will lead to RTR clients such as BGP routers to lose access to the RPKI VRP data set, effectively disabling Route Origin Validation.
INFO
Published Date :
Nov. 9, 2021, 1:15 p.m.
Last Modified :
Nov. 21, 2024, 6:28 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
                                            The following products are affected by CVE-2021-43114
                                            vulnerability.
                                            Even if cvefeed.io is aware of the exact versions of the
                                            products
                                            that
                                            are
                                            affected, the information is not represented in the table below.
                                        
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 
Solution
- Upgrade the fort-validator packages. For the stable distribution (bullseye), these problems have been fixed in version 1.5.3-1~deb11u1.
 
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-2021-43114.
                                        
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2021-43114 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-2021-43114
            weaknesses.
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).
Results are limited to the first 15 repositories due to potential performance issues.
			The following list is the news that have been mention
			CVE-2021-43114 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2021-43114 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/NICMx/FORT-validator/commit/274dc14aed1eb9b3350029d1063578a6b9c77b54 Added Reference https://github.com/NICMx/FORT-validator/commit/425e0f4037b4543fe8044ac96ca71d6d02d7d8c5 Added Reference https://github.com/NICMx/FORT-validator/commit/673c679b6bf3f4187cd5242c31a795bf8a6c22b3 Added Reference https://github.com/NICMx/FORT-validator/commit/eb68ebbaab50f3365aa51bbaa17cb862bf4607fa Added Reference https://github.com/NICMx/FORT-validator/releases/tag/1.5.2 Added Reference https://www.debian.org/security/2021/dsa-5033  - 
                            
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 15, 2024
Action Type Old Value New Value Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H  - 
                            
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value  - 
                            
CVE Modified by [email protected]
Dec. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://github.com/NICMx/FORT-validator/commit/425e0f4037b4543fe8044ac96ca71d6d02d7d8c5 [No types assigned] Added Reference MITRE https://github.com/NICMx/FORT-validator/commit/673c679b6bf3f4187cd5242c31a795bf8a6c22b3 [No types assigned] Added Reference MITRE https://github.com/NICMx/FORT-validator/commit/eb68ebbaab50f3365aa51bbaa17cb862bf4607fa [No types assigned] Added Reference MITRE https://github.com/NICMx/FORT-validator/commit/274dc14aed1eb9b3350029d1063578a6b9c77b54 [No types assigned]  - 
                            
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-295 NVD-CWE-Other  - 
                            
Modified Analysis by [email protected]
Mar. 31, 2022
Action Type Old Value New Value Changed Reference Type https://www.debian.org/security/2021/dsa-5033 No Types Assigned https://www.debian.org/security/2021/dsa-5033 Third Party Advisory Removed CWE NIST CWE-400 Added CWE NIST CWE-295 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*  - 
                            
CVE Modified by [email protected]
Dec. 31, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-5033 [No Types Assigned]  - 
                            
Initial Analysis by [email protected]
Nov. 15, 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/NICMx/FORT-validator/releases/tag/1.5.2 No Types Assigned https://github.com/NICMx/FORT-validator/releases/tag/1.5.2 Patch, Release Notes, Third Party Advisory Added CWE NIST CWE-400 Added CPE Configuration OR *cpe:2.3:a:fort_validator_project:fort_validator:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.2  
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.57 }} 0.03%
score
0.67208
percentile