Description (CNA)
Course-tencent-cloud through 2.0.1 contains an improper restriction of authentication attempts vulnerability that allows unauthenticated attackers to brute force 6-digit SMS/email verification codes, which are never invalidated or attempt-limited. Attackers who know a victim's phone or email can trigger a code and rotate source IPs against the password reset and verify login endpoints to take over accounts.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| xiaochong0302 / course-tencent-cloud | affected 0 through 2.0.1 |
CWE
CWE-307
References
- https://hackmd.io/@hieuPenguinnn/ctc-verify-code-brute-force-account-takeover
- https://github.com/xiaochong0302/course-tencent-cloud/blob/v2.0.1/app/Services/Verify.php#L27-L73
- https://github.com/xiaochong0302/course-tencent-cloud/blob/v2.0.1/app/Services/Logic/Account/PasswordReset.php
- https://www.vulncheck.com/advisories/course-tencent-cloud-through-2.0.1-verification-code-brute-force-account-takeover
ADP enrichment
No English description supplied.