Critical severity · published Sep 28, 2017
CVE-2017-11121
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…
9.8
CVSS
2.8%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 11.0 · source: NVD
BF
Bcm4355c0 Firmware · Broadcom
9.44.78.27.0.1.56 · source: NVD
TV
Tvos · Apple
before 11.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-11121
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-11121
Exploit
http://packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-Response-Overflows.html
Third Party Advisory
http://www.securityfocus.com/bid/100984
Exploit
https://bugs.chromium.org/p/project-zero/issues/detail?id=1291
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
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