Apple tvOS up to 10.2.0 WebKit Universal cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple tvOS up to 10.2.0. The affected element is an unknown function of the component WebKit. The manipulation results in cross site scripting (Universal). This vulnerability is identified as CVE-2017-2549. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple tvOS up to 10.2.0 (Digital Media Player). Affected is an unknown code block of the component WebKit. The manipulation with an unknown input leads to a cross site scripting vulnerability (Universal). CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The bug was discovered 05/10/2017. The weakness was released 05/15/2017 by Kai Kang (lokihardt) with Google Project Zero as HT207801 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2017-2549 since 12/01/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007. The advisory points out:

A logic issue existed in frame loading. This issue was addressed with improved state management.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100256 (Apple TV < 10.2.1 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 371242 (Apple Safari 10.1.1 Not Installed (APPLE-SA-2017-05-15-7)).

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 Tenable (100256) and SecurityFocus (BID 98473†). Entries connected to this vulnerability are available at VDB-101294, VDB-101254, VDB-101262 and VDB-101263. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Universal
Class: Cross site scripting / Universal
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100256
Nessus Name: Apple TV < 10.2.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802925
OpenVAS Name: Apple Safari Multiple Vulnerabilities-HT207804
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 10.2.1

Timelineinfo

12/01/2016 🔍
05/10/2017 +160 days 🔍
05/15/2017 +5 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/16/2017 +1 days 🔍
05/17/2017 +1 days 🔍
05/22/2017 +5 days 🔍
08/24/2024 +2651 days 🔍

Sourcesinfo

Vendor: apple.com

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

CVE: CVE-2017-2549 (🔍)
GCVE (CVE): GCVE-0-2017-2549
GCVE (VulDB): GCVE-100-101316
SecurityFocus: 98473 - Webkit Cross Site Scripting and Arbitrary Code Execution Vulnerabilities
OSVDB: - CVE-2017-2549 - Apple - Multiple Products - Universal Cross-Site Scripting Issue
SecurityTracker: 1038487

See also: 🔍

Entryinfo

Created: 05/16/2017 09:05
Updated: 08/24/2024 21:36
Changes: 05/16/2017 09:05 (78), 09/27/2020 17:31 (8), 12/24/2020 07:08 (3), 08/24/2024 21:36 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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