CVE-2017-11120

high-risk
Published 2017-09-28

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.

Do I need to act?

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24.4% chance of exploitation in next 30 days
EPSS score — higher than 76% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
42784
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Broadcom Apple

References (22)

Exploit http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Res...
Third Party Advisory http://www.securityfocus.com/bid/100984
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1289
Mailing List https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html
Mailing List https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html
Third Party Advisory https://source.android.com/security/bulletin/2017-09-01
Third Party Advisory https://support.apple.com/HT208112
Third Party Advisory https://support.apple.com/HT208113
Third Party Advisory https://support.apple.com/en-us/HT208112
Third Party Advisory https://support.apple.com/en-us/HT208113
Exploit https://www.exploit-db.com/exploits/42784/
Exploit http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Res...
Third Party Advisory http://www.securityfocus.com/bid/100984
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1289
Mailing List https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html
Mailing List https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html
Third Party Advisory https://source.android.com/security/bulletin/2017-09-01
Third Party Advisory https://support.apple.com/HT208112
Third Party Advisory https://support.apple.com/HT208113
Third Party Advisory https://support.apple.com/en-us/HT208112
and 2 more references
63
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 22/34 · High
Exposure 9/34 · Low