Vulnerability Name:

CVE-2017-11120 (CCN-132665)

Assigned:2017-07-12
Published:2017-07-12
Updated:2019-03-13
Summary: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.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.9 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-11120

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Response-Out-Of-Bounds-Write.html

Source: BID
Type: Third Party Advisory, VDB Entry
100984

Source: CCN
Type: BID-100984
Apple iOS and tvOS Wi-Fi Chip Multiple Arbitray Code Execution Vulnerabilities

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1289

Source: CCN
Type: Google Security Research Issue 1289
Broadcom: OOB write when handling 802.11k Neighbor Report Response

Source: XF
Type: UNKNOWN
broadcom-cve201711120-bo(132665)

Source: APPLE
Type: Mailing List, Third Party Advisory
APPLE-SA-2017-09-25-6

Source: APPLE
Type: Mailing List, Third Party Advisory
APPLE-SA-2017-09-25-4

Source: CCN
Type: Packet Storm Security [09-26-2017]
Broadcom 802.11k Neighbor Report Response Out-Of-Bounds Write

Source: CONFIRM
Type: Third Party Advisory
https://source.android.com/security/bulletin/2017-09-01

Source: CONFIRM
Type: Third Party Advisory
https://support.apple.com/en-us/HT208112

Source: CONFIRM
Type: Third Party Advisory
https://support.apple.com/en-us/HT208113

Source: CONFIRM
Type: Third Party Advisory
https://support.apple.com/HT208112

Source: CONFIRM
Type: Third Party Advisory
https://support.apple.com/HT208113

Source: CCN
Type: Broadcom Web site
Broadcom Limited | Connecting Everything

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [09-25-2017]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
42784

Vulnerable Configuration:Configuration 1:
  • cpe:/o:broadcom:bcm4355c0_firmware:9.44.78.27.0.1.56:*:*:*:*:*:*:*
  • AND
  • cpe:/h:broadcom:bcm4355c0:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 11.0)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 11.0)

  • Configuration CCN 1:
  • cpe:/o:broadcom:bcm4355c0_firmware:9.44.78.27.0.1.56:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    broadcom bcm4355c0 firmware 9.44.78.27.0.1.56
    broadcom bcm4355c0 -
    apple iphone os *
    apple tvos *
    broadcom bcm4355c0 firmware 9.44.78.27.0.1.56