Vulnerability Description
On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Bcm4355C0 Firmware | 9.44.78.27.0.1.56 |
| Broadcom | Bcm4355C0 | - |
| Apple | Iphone Os | < 11.0 |
| Apple | Tvos | < 11.0 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-ReExploitThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/100984Third Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1291ExploitIssue TrackingThird Party Advisory
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.htmlMailing ListThird Party Advisory
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.htmlMailing ListThird Party Advisory
- https://source.android.com/security/bulletin/2017-09-01Third Party Advisory
- https://support.apple.com/HT208112Third Party Advisory
- https://support.apple.com/HT208113Third Party Advisory
- https://support.apple.com/en-us/HT208112Third Party Advisory
- https://support.apple.com/en-us/HT208113Third Party Advisory
- http://packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-ReExploitThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/100984Third Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1291ExploitIssue TrackingThird Party Advisory
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.htmlMailing ListThird Party Advisory
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2017-11121?
CVE-2017-11121 is a vulnerability with a CVSS score of 9.8 (CRITICAL). On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack ov...
How severe is CVE-2017-11121?
CVE-2017-11121 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-11121?
Check the references section above for vendor advisories and patch information. Affected products include: Broadcom Bcm4355C0 Firmware, Broadcom Bcm4355C0, Apple Iphone Os, Apple Tvos.