CVE-2019-9503
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- CVE-2019-9503
CVE Details
| Release Date: | 2020-01-16 |
Description
The Broadcom brcmfmac WiFi driver prior to commit a4176ec356c73a46c07c181c6d04039fafa34a9f is vulnerable to a frame validation bypass. If the brcmfmac driver receives a firmware event frame from a remote source, the is_wlc_event_frame function will cause this frame to be discarded and unprocessed. If the driver receives the firmware event frame from the host, the appropriate handler is called. This frame validation can be bypassed if the bus used is USB (for instance by a wifi dongle). This can allow firmware event frames from a remote source to be processed. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.
See more information about CVE-2019-9503 from MITRE CVE dictionary and NIST NVD
CVSS v3.0 metrics
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
| Base Score: | 8.3 | Base Metrics: | AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| Access Vector: | Adjacent network | Attack Complexity: | High |
| Privileges Required: | None | User Interaction: | None |
| Scope: | Changed | Confidentiality Impact: | High |
| Integrity Impact: | High | Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (dtrace-modules-3.8.13-118.45.1.el6uek) | ELSA-2020-5671 | 2020-05-07 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2020-5670 | 2020-05-06 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2020-5671 | 2020-05-07 |
| Oracle Linux version 7 (dtrace-modules-3.8.13-118.45.1.el7uek) | ELSA-2020-5671 | 2020-05-07 |
| Oracle Linux version 7 (kernel) | ELSA-2020-1016 | 2020-04-06 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2020-5670 | 2020-05-06 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2020-5671 | 2020-05-07 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2020-5715 | 2020-06-09 |
| Oracle Linux version 8 (kernel) | ELSA-2019-2703 | 2019-09-12 |
| Oracle VM version 3.4 (kernel-uek) | OVMSA-2020-0019 | 2020-06-02 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team
