Description (CNA)
Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication, contrary to expectations and documentation. A subsequent transfer on the same handle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL isset next, leaking state information.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| curl / curl | affected 8.21.0 through 8.21.0; affected 8.20.0 through 8.20.0; affected 8.19.0 through 8.19.0; affected 8.18.0 through 8.18.0; affected 8.17.0 through 8.17.0; affected 8.16.0 through 8.16.0; affected 8.15.0 through 8.15.0; affected 8.14.1 through 8.14.1; affected 8.14.0 through 8.14.0; affected 8.13.0 through 8.13.0; affected 8.12.1 through 8.12.1; affected 8.12.0 through 8.12.0; affected 8.11.1 through 8.11.1; affected 8.11.0 through 8.11.0; affected 8.10.1 through 8.10.1; affected 8.10.0 through 8.10.0; affected 8.9.1 through 8.9.1; affected 8.9.0 through 8.9.0; affected 8.8.0 through 8.8.0; affected 8.7.1 through 8.7.1; affected 8.7.0 through 8.7.0; affected 8.6.0 through 8.6.0; affected 8.5.0 through 8.5.0; affected 8.4.0 through 8.4.0; affected 8.3.0 through 8.3.0; affected 8.2.1 through 8.2.1; affected 8.2.0 through 8.2.0; affected 8.1.2 through 8.1.2; affected 8.1.1 through 8.1.1; affected 8.1.0 through 8.1.0; affected 8.0.1 through 8.0.1; affected 8.0.0 through 8.0.0; affected 7.88.1 through 7.88.1; affected 7.88.0 through 7.88.0; affected 7.87.0 through 7.87.0; affected 7.86.0 through 7.86.0; affected 7.85.0 through 7.85.0; affected 7.84.0 through 7.84.0; affected 7.83.1 through 7.83.1; affected 7.83.0 through 7.83.0; affected 7.82.0 through 7.82.0; affected 7.81.0 through 7.81.0; affected 7.80.0 through 7.80.0; affected 7.79.1 through 7.79.1; affected 7.79.0 through 7.79.0; affected 7.78.0 through 7.78.0; affected 7.77.0 through 7.77.0; affected 7.76.1 through 7.76.1; affected 7.76.0 through 7.76.0; affected 7.75.0 through 7.75.0 |
CWE
No CWE identifiers supplied.