Apple Safari up to 9 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.2$0-$5k0.00

A vulnerability was found in Apple Safari up to 9 (Web Browser). It has been classified as very critical. Affected is an unknown part of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

WebKit in Apple iOS before 9.3, Safari before 9.1, and tvOS before 9.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

The weakness was published 03/18/2016 by Mihai Parparita with Google as HT206171 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2016-1783 since 01/12/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/10/2022). The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 90309 (Apple TV < 9.2 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 124837 (Apple Safari 9.1 Not Installed (APPLE-SA-2016-03-21-6)).

Upgrading to version 9.1 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 (90309).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 9.4
VulDB Meta Temp Score: 9.2

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 90309
Nessus Name: Apple TV < 9.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802235
OpenVAS Name: Apple Safari Multiple Vulnerabilities-01 Mar16 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Upgrade: Safari 9.1

Timelineinfo

01/12/2016 🔍
03/18/2016 +65 days 🔍
03/18/2016 +0 days 🔍
03/22/2016 +4 days 🔍
03/23/2016 +0 days 🔍
04/01/2016 +8 days 🔍
07/10/2022 +2291 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206171
Researcher: Mihai Parparita
Organization: Google
Status: Confirmed

CVE: CVE-2016-1783 (🔍)
SecurityTracker: 1035353
SecurityFocus: 75570

Entryinfo

Created: 03/23/2016 12:02
Updated: 07/10/2022 17:03
Changes: 03/23/2016 12:02 (53), 09/08/2018 10:07 (27), 07/10/2022 17:03 (3)
Complete: 🔍
Cache ID: 18:E8B:103

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