CVE-2017-11120 EXPLOIT
9.8
CRITICAL · CVSS 3.0 · EPSS 9.1% (pctl 95)
Patch early
A public exploit exists.
Description
On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, an attacker can craft a malformed RRM neighbor report frame to trigger an internal buffer overflow in the Wi-Fi firmware, aka B-V2017061204.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 9.13% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-09-28 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| apple | iphone os |
| apple | tvos |
| broadcom | bcm4355c0 |
| broadcom | bcm4355c0 firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apple iOS 10.2 - Broadcom Out-of-Bounds Write when Handling 802.11k Neighbor Report Response | 2017-09-25 |
References
- http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Response-Out-Of-Bounds-Write.html
- http://www.securityfocus.com/bid/100984
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1289
- 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
- https://www.exploit-db.com/exploits/42784/
- http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Response-Out-Of-Bounds-Write.html
- http://www.securityfocus.com/bid/100984
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1289
- 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
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