CVE-2017-9417
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
10.0
Description
Broadcom BCM43xx Wi-Fi chips allow remote attackers to execute arbitrary code via unspecified vectors, aka the "Broadpwn" issue.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Broadcom BCM43xx Wi-Fi - 'BroadPWN' Denial of Service
This Exploit allows arbitrary memory writes and reads. Running the specified payload within this package will write to the device's main CPU kernel, causing it to crash. More information about its origins here: http://boosterok.com/blog/broadpwn2/
Download: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/44268.zip
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 20180518-1 |
| sid | Fixed | 20180518-1 |
| forky | Fixed | 20180518-1 |
| bullseye | Fixed | 20180518-1 |
| bookworm | Fixed | 20180518-1 |
References
- http://seclists.org/fulldisclosure/2019/May/24
- http://www.securityfocus.com/bid/99482
- http://www.securitytracker.com/id/1038950
- http://www.securitytracker.com/id/1039330
- https://lists.debian.org/debian-lts-announce/2018/11/msg00015.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-9417
- https://seclists.org/bugtraq/2019/May/30
- https://source.android.com/security/bulletin/2017-07-01
- https://support.apple.com/kb/HT210121
- https://www.blackhat.com/us-17/briefings.html#broadpwn-remotely-compromising-android-and-ios-via-a-bug-in-broadcoms-wi-fi-chipsets
- https://security-tracker.debian.org/tracker/CVE-2017-9417
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.