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CableTap/doc/advisories/bastille-41.root-command-execution.txt
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| Bastille Tracking Number 41 | |
| CVE-2017-9497 | |
| Overview | |
| A vulnerability has been discovered that enables an attacker to execute commands as root on the Motorola MX011ANM. | |
| Affected Platforms | |
| Motorola MX011ANM, firmware version MX011AN_2.9p6s1_PROD_sey | |
| Proof-of-Concept | |
| When the diagnostics menu is displayed on the set-top box, and the Remote Web Inspector enabled, an attacker can execute arbitrary commands as root by posting to a known Web Inspector route. | |
| Shell commands can be appended to the request, causing them to be executed as root. | |
| Test Environment | |
| Motorola MX011ANM, firmware version MX011AN_2.9p6s1_PROD_sey | |
| Mitigation | |
| There is no apparent mechanism to allow Comcast customers to change this behavior. | |
| Recommended Remediation | |
| Update the route handler to sanitize input. | |
| Credits | |
| Marc Newlin and Logan Lamb, Bastille | |
| Chris Grayson, Web Sight.IO |