Incorrect caching of responses to requests including an Authorization header in HAProxy 1.8.0 through 1.8.9 (if cache enabled) allows attackers to achieve information disclosure via an unauthenticated remote request, related to the proto_http.c check_request_for_cacheability function.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-11469 from the MITRE CVE dictionary dictionary and NIST NVD.
Red Hat Product Security has rated this issue as having a security impact of Moderate, and a future update may address this flaw.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | None |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-haproxy18-haproxy | Affected |
| Red Hat OpenShift Enterprise 3 | haproxy | Not affected |
| Red Hat Enterprise Linux 7 | haproxy | Not affected |
| Red Hat Enterprise Linux 6 | haproxy | Not affected |
Vulmon