Apple iOS up to 9.3.2 WebKit JavaScript Bindings cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Apple iOS up to 9.3.2 (Smartphone Operating System). This issue affects an unknown code of the component WebKit JavaScript Bindings. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, and integrity.

The weakness was presented 07/18/2016 by Obscure with Tencent as HT206902 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-4651 since 05/11/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/05/2022). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. The advisory points out:

A cross-protocol cross-site scripting (XPXSS) issue existed in Safari when submitting forms to non-HTTP services compatible with HTTP/0.9. This issue was addressed by disabling scripts and plugins on resources loaded over HTTP/0.9.

The vulnerability scanner Nessus provides a plugin with the ID 93511 (Ubuntu 16.04 LTS : webkit2gtk vulnerabilities (USN-3079-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196576 (Ubuntu Security Notification for Webkit2gtk Vulnerabilities (USN-3079-1)).

Upgrading to version 9.3.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (93511). See 89671, 89672, 89673 and 89674 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93511
Nessus Name: Ubuntu 16.04 LTS : webkit2gtk vulnerabilities (USN-3079-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 864497
OpenVAS Name: Ubuntu Update for webkit2gtk USN-3079-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 9.3.3

Timelineinfo

05/11/2016 🔍
07/18/2016 +68 days 🔍
07/18/2016 +0 days 🔍
07/18/2016 +0 days 🔍
07/19/2016 +1 days 🔍
07/21/2016 +2 days 🔍
09/15/2016 +56 days 🔍
09/05/2022 +2181 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206902
Researcher: Obscure
Organization: Tencent
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4651 (🔍)
SecurityTracker: 1036343
SecurityFocus: 91835 - WebKit Content Spoofing and Cross Site Scripting Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 07/19/2016 16:34
Updated: 09/05/2022 15:26
Changes: 07/19/2016 16:34 (70), 03/03/2019 10:56 (15), 09/05/2022 15:26 (4)
Complete: 🔍

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