The SCRAM code in PgBouncer before 1.25.2 did not check the return value of strlcat() correctly when building the contents of the SCRAM client-final-message. A malicious backend that sends a SCRAM server-final-message with a long nonce can trigger a stack overflow.
The SCRAM code in PgBouncer before 1.25.2 did not check the return value of strlcat() correctly when building the contents of the SCRAM client-final-message. A malicious backend that sends a SCRAM server-final-message with a long nonce can trigger a stack overflow.
Why this VPI (explainable, experimental)
VPI breakdown
| Impact | 81.00 |
| Exploitation signal(No additional exploitation signal) | ×1.00 |
| VPI | 81.00 |
VPI formula vpi-v1