networking.c in Redis before 3.2.7 allows "Cross Protocol Scripting" because it lacks a check for POST and Host: strings, which are not valid in the Redis protocol (but commonly occur when an attack triggers an HTTP request to the Redis TCP port).
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-10517 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | High |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-redis32-redis | Will not fix |
| Red Hat OpenStack Platform Operational Tools 9 | redis | Will not fix |
| Red Hat OpenStack Platform 9.0 | redis | Will not fix |
| Red Hat OpenStack Platform 8.0 (Liberty) | redis | Will not fix |
| Red Hat OpenStack Platform 12.0 | redis | Not affected |
| Red Hat OpenStack Platform 11.0 (Ocata) | redis | Not affected |
| Red Hat OpenStack Platform 10 | redis | Will not fix |
| Red Hat Mobile Application Platform On-Premise 4 | redis | Not affected |
| Red Hat Enterprise Linux OpenStack Platform 8.0 Operational Tools for RHEL 7 | redis | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 Operational Tools for RHEL 7 | redis | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | redis | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | redis | Will not fix |
This issue can be mitigated by configuring Redis to require clients to authenticate with password. Password authentication can be enabled using the 'requirepass' directive in the redis.conf configuration file.
Vulmon