CVE-2021-43298
First published: Tue Jan 25 2022(Updated: )
The code that performs password matching when using 'Basic' HTTP authentication does not use a constant-time memcmp and has no rate-limiting. This means that an unauthenticated network attacker can brute-force the HTTP basic password, byte-by-byte, by recording the webserver's response time until the unauthorized (401) response.
Credit: reefs@jfrog.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Embedthis GoAhead | <5.1.4 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2021-43298.
What is the severity of CVE-2021-43298?
The severity of CVE-2021-43298 is critical with a CVSS score of 9.8.
Which software is affected by CVE-2021-43298?
Embedthis GoAhead version up to 5.1.4 is affected by CVE-2021-43298.
What is the impact of this vulnerability?
An unauthenticated network attacker can brute-force the HTTP basic password by recording the webserver's response time.
Is there a fix for CVE-2021-43298?
Yes, upgrading to a version beyond 5.1.4 of Embedthis GoAhead is recommended to fix CVE-2021-43298.
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