Buffer overflow in Apple Iphone OS
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 heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.028 (85.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Apple Iphone OS
- Apple tvOS
- Broadcom Bcm4355c0
- Broadcom Bcm4355c0 Firmware — versions 9.44.78.27.0.1.56
Weakness classification (CWE)
References
- www.securityfocus.com/bid/100984 (VDB Entry, Third Party Advisory, vdb-entry)
- source.android.com/security/bulletin/2017-09-01 (Third Party Advisory)
- lists.apple.com/archives/security-announce/2017/Sep/msg00009.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.apple.com/archives/security-announce/2017/Sep/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-Response… (Exploit, VDB Entry, Third Party Advisory)
- support.apple.com/en-us/HT208113 (Third Party Advisory)
- bugs.chromium.org/p/project-zero/issues/detail (Exploit, Third Party Advisory, Issue Tracking)
- support.apple.com/en-us/HT208112 (Third Party Advisory)
- support.apple.com/HT208113 (Third Party Advisory)
- support.apple.com/HT208112 (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-11121?
- CVE-2017-11121 is a critical-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-09-28.
- How severe is CVE-2017-11121?
- Critical severity. CVSS v3 base score is 9.8 out of 10.