CVE-2017-11121
critical
CVSS v3
9.8
CVSS v2
10.0
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| macos | affected | 11.0 |
References
- http://packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-Response-Overflows.html
- http://www.securityfocus.com/bid/100984
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1291
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html
- https://source.android.com/security/bulletin/2017-09-01
- https://support.apple.com/HT208112
- https://support.apple.com/HT208113
- https://support.apple.com/en-us/HT208112
- https://support.apple.com/en-us/HT208113
- http://packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-Response-Overflows.html
- http://www.securityfocus.com/bid/100984
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1291
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html
- https://source.android.com/security/bulletin/2017-09-01
- https://support.apple.com/HT208112
- https://support.apple.com/HT208113
- https://support.apple.com/en-us/HT208112
- https://support.apple.com/en-us/HT208113
CWEs
CWE-119
Verify integrity in audit chain (admin only). AS-IS.