Apple tvOS up to 10.2.0 WebKit memory corruption

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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple tvOS up to 10.2.0. This issue affects some unknown processing of the component WebKit. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-6984. The attack may be launched remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Apple tvOS up to 10.2.0 (Digital Media Player). This vulnerability affects an unknown part of the component WebKit. 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.

The bug was discovered 05/15/2017. The weakness was shared 05/15/2017 by lokihardt with Google Project Zero as HT207801 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2017-6984 since 03/17/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

A public exploit has been developed by Google Security Research in Javascript and been published 2 months after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 100300 (Apple iTunes < 12.6.1 WebKit Memory Corruption RCE (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371242 (Apple Safari 10.1.1 Not Installed (APPLE-SA-2017-05-15-7)). The code used by the exploit is:

Object.prototype.__defineGetter__(1000, () => 2);
 
let locales = ['mr', 'bs', 'ee-TG', 'ms', 'kam-KE', 'mt', 'ha', 'es-HN', 'ml-IN', 'ro-MD', 'kab-DZ', 'he', 'es-CO', 'my', 'es-PA', 'az-Latn', 'mer', 'en-NZ', 'xog-UG', 'sg', 'fr-GP', 'sr-Cyrl-BA', 'hi', 'fil-PH', 'lt-LT', 'si', 'en-MT', 'si-LK', 'luo-KE', 'it-CH', 'teo', 'mfe', 'sk', 'uz-Cyrl-UZ', 'sl', 'rm-CH', 'az-Cyrl-AZ', 'fr-GQ', 'kde', 'sn', 'cgg-UG', 'so', 'fr-RW', 'es-SV', 'mas-TZ', 'en-MU', 'sq', 'hr', 'sr', 'en-PH', 'ca', 'hu', 'mk-MK', 'fr-TD', 'nb', 'sv', 'kln-KE', 'sw', 'nd', 'sr-Latn', 'el-GR', 'hy', 'ne', 'el-CY', 'es-CR', 'fo-FO', 'pa-Arab-PK', 'seh', 'ar-YE', 'ja-JP', 'ur-PK', 'pa-Guru', 'gl-ES', 'zh-Hant-HK', 'ar-EG', 'nl', 'th-TH', 'es-PE', 'fr-KM', 'nn', 'kk-Cyrl-KZ', 'kea', 'lv-LV', 'kln', 'tzm-Latn', 'yo', 'gsw-CH', 'ha-Latn-GH', 'is-IS', 'pt-BR', 'cs', 'en-PK', 'fa-IR', 'zh-Hans-SG', 'luo', 'ta', 'fr-TG', 'kde-TZ', 'mr-IN', 'ar-SA', 'ka-GE', 'mfe-MU', 'id', 'fr-LU', 'de-LU', 'ru-MD', 'cy', 'zh-Hans-HK', 'te', 'bg-BG', 'shi-Latn', 'ig', 'ses', 'ii', 'es-BO', 'th', 'ko-KR', 'ti', 'it-IT', 'shi-Latn-MA', 'pt-MZ', 'ff-SN', 'haw', 'zh-Hans', 'so-KE', 'bn-IN', 'en-UM', 'to', 'id-ID', 'uz-Cyrl', 'en-GU', 'es-EC', 'en-US-posix', 'sr-Latn-BA', 'is', 'luy', 'tr', 'en-NA', 'it', 'da', 'bo-IN', 'vun-TZ', 'ar-SD', 'uz-Latn-UZ', 'az-Latn-AZ', 'de', 'es-GQ', 'ta-IN', 'de-DE', 'fr-FR', 'rof-TZ', 'ar-LY', 'en-BW', 'asa', 'zh', 'ha-Latn', 'fr-NE', 'es-MX', 'bem-ZM', 'zh-Hans-CN', 'bn-BD', 'pt-GW', 'om', 'jmc', 'de-AT', 'kk-Cyrl', 'sw-TZ', 'ar-OM', 'et-EE', 'or', 'da-DK', 'ro-RO', 'zh-Hant', 'bm-ML', 'ja', 'fr-CA', 'naq', 'zu', 'en-IE', 'ar-MA', 'es-GT', 'uz-Arab-AF', 'en-AS', 'bs-BA', 'am-ET', 'ar-TN', 'haw-US', 'ar-JO', 'fa-AF', 'uz-Latn', 'en-BZ', 'nyn-UG', 'ebu-KE', 'te-IN', 'cy-GB', 'uk', 'nyn', 'en-JM', 'en-US', 'fil', 'ar-KW', 'af-ZA', 'en-CA', 'fr-DJ', 'ti-ER', 'ig-NG', 'en-AU', 'ur', 'fr-MC', 'pt-PT', 'pa', 'es-419', 'fr-CD', 'en-SG', 'bo-CN', 'kn-IN', 'sr-Cyrl-RS', 'lg-UG', 'gu-IN', 'ee', 'nd-ZW', 'bem', 'uz', 'sw-KE', 'sq-AL', 'hr-HR', 'mas-KE', 'el', 'ti-ET', 'es-AR', 'pl', 'en', 'eo', 'shi', 'kok', 'fr-CF', 'fr-RE', 'mas', 'rof', 'ru-UA', 'yo-NG', 'dav-KE', 'gv-GB', 'pa-Arab', 'es', 'teo-UG', 'ps', 'es-PR', 'fr-MF', 'et', 'pt', 'eu', 'ka', 'rwk-TZ', 'nb-NO', 'fr-CG'];
Intl.getCanonicalLocales(locales);

Upgrading to version 10.2.1 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 (42191), Tenable (100300) and SecurityFocus (BID 98454†). The entries VDB-101294, VDB-101254, VDB-101262 and VDB-101263 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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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
Author: Google Security Research
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100300
Nessus Name: Apple iTunes < 12.6.1 WebKit Memory Corruption RCE (credentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800804
OpenVAS Name: Apple iTunes Code Execution Vulnerability-HT207805 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Exploit Delay Time: 🔍

Upgrade: tvOS 10.2.1

Timelineinfo

03/17/2017 🔍
05/15/2017 +59 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/16/2017 +1 days 🔍
05/19/2017 +3 days 🔍
05/22/2017 +2 days 🔍
06/16/2017 +25 days 🔍
06/16/2017 +0 days 🔍
08/24/2024 +2626 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207801
Researcher: lokihardt (lokihardt)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6984 (🔍)
GCVE (CVE): GCVE-0-2017-6984
GCVE (VulDB): GCVE-100-101314
SecurityFocus: 98454 - WebKit CVE-2017-6984 Unspecified Memory Corruption Vulnerability
SecurityTracker: 1038487

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

Entryinfo

Created: 05/16/2017 09:05
Updated: 08/24/2024 13:00
Changes: 05/16/2017 09:05 (86), 10/18/2019 21:40 (6), 12/24/2020 06:57 (3), 12/24/2020 06:59 (1), 08/24/2024 13:00 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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