Apple tvOS up to 10.2.2 Wi-Fi memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple tvOS up to 10.2.2. Affected is an unknown function of the component Wi-Fi. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-11120. The attack needs to be done within the local network. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Apple tvOS up to 10.2.2 (Digital Media Player). This vulnerability affects an unknown function of the component Wi-Fi. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 07/12/2017. The weakness was shared 09/25/2017 by Gal Beniamini with Google Project Zero as HT208113 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2017-11120 since 07/09/2017. The attack needs to approached within the local network. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 72 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 103419 (Apple TV < 11 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371700 (Broadcom WiFi Buffer Overflow Vulnerability (LEN-17237)).

Upgrading to version 11.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42784), Tenable (103419) and SecurityFocus (BID 100984†). The entries VDB-101269, VDB-101388, VDB-101623 and VDB-106244 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103419
Nessus Name: Apple TV < 11 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: tvOS 11.0

Timelineinfo

07/09/2017 🔍
07/12/2017 +3 days 🔍
09/22/2017 +72 days 🔍
09/25/2017 +3 days 🔍
09/25/2017 +0 days 🔍
09/25/2017 +0 days 🔍
09/27/2017 +2 days 🔍
10/23/2017 +26 days 🔍
11/10/2024 +2575 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208113
Researcher: Gal Beniamini
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-11120 (🔍)
GCVE (CVE): GCVE-0-2017-11120
GCVE (VulDB): GCVE-100-108514
SecurityFocus: 100984 - Apple iOS and tvOS Wi-Fi Chip Multiple Arbitray Code Execution Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/23/2017 11:54
Updated: 11/10/2024 14:18
Changes: 10/23/2017 11:54 (78), 11/29/2019 21:04 (8), 11/10/2024 14:18 (16)
Complete: 🔍
Cache ID: 216::103

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