The default configuration for cURL and libcurl before 7.42.1 sends custom HTTP headers to both the proxy and destination server, which might allow remote proxy servers to obtain sensitive information by reading the header contents.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-3153 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | curl | Will not fix |
| Red Hat Enterprise Linux 6 | curl | Will not fix |
| Red Hat Enterprise Linux 5 | curl | Will not fix |
| Red Hat Ceph Storage 1.2 | curl | Will not fix |
| RHEV Manager 3 | mingw-virt-viewer | Will not fix |
Vulmon