#VU57218 Input validation error in Apache Traffic Control - CVE-2021-42009

Vulnerability identifier: #VU57218

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Traffic Control
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Apache Foundation

Description

The 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Traffic Control: 3.0.0 - 5.1.3

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External links
https://github.com/apache/trafficcontrol/releases/tag/RELEASE-6.0.0

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.