Vulnerability in FreeOTP Allows Attackers to Abuse System and Compromise Accounts
CVE-2024-7318

4.8MEDIUM

Key Information:

Status
Red Hat Build Of Keycloak
Red Hat Build Of Keycloak 24
Vendor
CVE Published:
9 September 2024

What is CVE-2024-7318?

A vulnerability was found in Keycloak. Expired OTP codes are still usable when using FreeOTP when the OTP token period is set to 30 seconds (default). Instead of expiring and deemed unusable around 30 seconds in, the tokens are valid for an additional 30 seconds totaling 1 minute. A one time passcode that is valid longer than its expiration time increases the attack window for malicious actors to abuse the system and compromise accounts. Additionally, it increases the attack surface because at any given time, two OTPs are valid.

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References

https://access.redhat.com/errata/RHSA-2024:6502
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:6503
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2024-7318
vdb-entryx_refsource_REDHAT

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by Todd Cullum (Red Hat).
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