Improper input validation in Apache Traffic Control
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-42009 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Apache Traffic Control Server applications / IDS/IPS systems, Firewalls and proxy servers |
| Vendor | Apache Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Input validation error
EUVDB-ID: #VU57218
Risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-42009
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote user to inject arbitrary content into emails.
The vulnerability exists due to insufficient validation of user-supplied input send to the /deliveryservices/request Traffic Ops API endpoint. A remote user can send a specially crafted request to the affected API endpoint and inject arbitrary content into email messages.
Install updates from vendor's website.
Vulnerable software versionsApache Traffic Control: 3.0.0 - 5.1.3
CPE2.3- cpe:2.3:a:apache_foundation:trafficcontrol:3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache_foundation:trafficcontrol:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache_foundation:trafficcontrol:3.0.2:*:*:*:*:*:*:*
https://github.com/apache/trafficcontrol/releases/tag/RELEASE-6.0.0
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
