Buffer overflow in Apple Iphone OS
CVE-2017-11120
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.
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: 0.091 (95.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.091 · newest: 0.091 · 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)
Public proof-of-concept exploits
References
- packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Response-… (Exploit, VDB Entry, Third Party Advisory)
- 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)
- www.exploit-db.com/exploits/42784/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- lists.apple.com/archives/security-announce/2017/Sep/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
- bugs.chromium.org/p/project-zero/issues/detail (Exploit, Third Party Advisory, Issue Tracking)
- support.apple.com/en-us/HT208113 (Third Party Advisory)
- support.apple.com/en-us/HT208112 (Third Party Advisory)
- support.apple.com/HT208113 (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-11120?
- CVE-2017-11120 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-2017-11120?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-11120 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.