CVE-2023-25403

Summary

CleverStupidDog yf-exam v 1.8.0 is vulnerable to Authentication Bypass. The program uses a fixed JWT key, and the stored key uses username format characters. Any user who logged in within 24 hours. A token can be forged with his username to bypass authentication.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/CleverStupidDog/yf-exam/issues/2
• https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/CleverStupidDog/yf-exam/issues/2
• https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403

• ←Previous
• Next→