CVE-2021-44040
HTTP request line fuzzing attacks
Description
Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1.
INFO
Published Date :
March 23, 2022, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 6:30 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | 
Solution
- Upgrade the trafficserver packages. For the stable distribution (bullseye), these problems have been fixed in version 8.1.1+ds-1.1+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-2021-44040.
                                        
| URL | Resource | 
|---|---|
| https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6 | Mailing List Vendor Advisory | 
| https://www.debian.org/security/2022/dsa-5153 | Third Party Advisory | 
| https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6 | Mailing List Vendor Advisory | 
| https://www.debian.org/security/2022/dsa-5153 | Third Party Advisory | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2021-44040 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-2021-44040
            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-2021-44040 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2021-44040 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://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6 Added Reference https://www.debian.org/security/2022/dsa-5153  - 
                            
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value  - 
                            
Modified Analysis by [email protected]
Oct. 14, 2022
Action Type Old Value New Value Changed Reference Type https://www.debian.org/security/2022/dsa-5153 No Types Assigned https://www.debian.org/security/2022/dsa-5153 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*  - 
                            
CVE Modified by [email protected]
Jun. 02, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5153 [No Types Assigned]  - 
                            
Initial Analysis by [email protected]
Mar. 29, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6 No Types Assigned https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6 Mailing List, Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.1.3 *cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (including) 9.1.1  - 
                            
CVE Modified by [email protected]
Mar. 23, 2022
Action Type Old Value New Value Changed Description Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1. Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1.  
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.
4.96 }} 2.46%
score
0.89155
percentile