CVE-2021-42009

Apache Traffic Control Traffic Ops Email Injection Vulnerability

Description

An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.

Remediation

Workaround:

  • 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.57%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Traffic Control
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread.html/re384fd0f44c6d230f31376153c6e8b59e4a669f927c1533d06d702af%40%3Cdev.trafficcontrol.apache.org%3E mailing list vendor advisory
https://lists.apache.org/thread.html/rf0481b9e38ece1ece458d3ce7b2d671df819e3555597f31fc34f084e%40%3Ccommits.trafficcontrol.apache.org%3E mailing list patch vendor advisory
http://www.openwall.com/lists/oss-security/2021/10/12/1 third party advisory mailing list
https://lists.apache.org/thread.html/r78d471d8a4fd268a4c5ae6c47327c09d9d4b4467c31da2c97422febb%40%3Cdev.trafficcontrol.apache.org%3E mailing list
https://lists.apache.org/thread.html/r7dfa9a89b39d06caeeeb7b5cdc41b3493a9b86cc6cfa059d3f349d87%40%3Cannounce.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2021-42009?
CVE-2021-42009 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42009?
As a workaround for remediating CVE-2021-42009: 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.
Is CVE-2021-42009 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-42009 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-42009?
CVE-2021-42009 affects Apache Software Foundation Apache Traffic Control.
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