Apple Safari up to 10.0 WebKit out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple Safari up to 10.0. Affected by this issue is some unknown functionality of the component WebKit. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2016-9642. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Apple Safari up to 10.0 (Web Browser) and classified as critical. This vulnerability affects an unknown code block of the component WebKit. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

JavaScriptCore in WebKit allows attackers to cause a denial of service (out-of-bounds heap read) via a crafted Javascript file.

The bug was discovered 11/26/2016. The weakness was disclosed 03/27/2017 by Gustavo Grieco as HT207600 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2016-9642 since 11/26/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple memory corruption issues were addressed through improved input validation.

The vulnerability was handled as a non-public zero-day exploit for at least 69 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 99167 (macOS : Apple Safari < 10.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370349 (Apple Safari 10.1 Not Installed (APPLE-SA-2017-03-27-2)).

Upgrading to version 10.1 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 (99167) and SecurityFocus (BID 94554†). The entries VDB-95939, VDB-96539, VDB-97603 and VDB-98600 are pretty similar. 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: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99167
Nessus Name: macOS : Apple Safari < 10.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802925
OpenVAS Name: Apple Safari Multiple Vulnerabilities-HT207600
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: Safari 10.1

Timelineinfo

11/26/2016 🔍
11/26/2016 +0 days 🔍
11/28/2016 +2 days 🔍
02/03/2017 +67 days 🔍
03/27/2017 +52 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
04/03/2017 +6 days 🔍
11/15/2022 +2052 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207600
Researcher: Gustavo Grieco
Status: Confirmed

CVE: CVE-2016-9642 (🔍)
GCVE (CVE): GCVE-0-2016-9642
GCVE (VulDB): GCVE-100-98572
SecurityFocus: 94554 - WebKit CVE-2016-9642 Memory Corruption Vulnerability
OSVDB: - CVE-2016-9642 - WebKit - Out-of-Bounds Read Issue
SecurityTracker: 1038137

See also: 🔍

Entryinfo

Created: 03/28/2017 10:40
Updated: 11/15/2022 13:43
Changes: 03/28/2017 10:40 (70), 08/20/2020 12:32 (15), 11/15/2022 13:43 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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