HTTP request line fuzzing attacks
CVE-2021-44040

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Traffic Server
Vendor
CVE Published:
23 March 2022

What is CVE-2021-44040?

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.

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Affected Version(s)

Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1

References

https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55...
x_refsource_MISC
https://www.debian.org/security/2022/dsa-5153
vendor-advisoryx_refsource_DEBIAN

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Apache Traffic Server would like to thank Bahruz Jabiyev, Steven Sprecher and Kaan Onarlioglu for reporting these issues. We used his tool t-reqs (https://github.com/bahruzjabiyev/t-reqs-http-fuzzer) for discovering them.
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