Apple Safari up to 10.0 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple Safari up to 10.0. The impacted element is an unknown function of the component WebKit. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2016-4677. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple Safari up to 10.0 (Web Browser) and classified as critical. Affected by this issue is an unknown code block of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 10/24/2016 as HT207272 as confirmed advisory (Website) via ZDI (Zero Day Initiative). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2016-4677 since 05/11/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. 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 09/28/2022). The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 94337 (Apple TV < 10.0.1 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 370174 (Apple Safari 10.0.1 Not Installed (APPLE-SA-2016-10-24-3)).

Upgrading to version 10.0.1 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 (94337) and SecurityFocus (BID 93853†). Entries connected to this vulnerability are available at VDB-93042, VDB-93046, VDB-93047 and VDB-93052. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 94337
Nessus Name: Apple TV < 10.0.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800486
OpenVAS Name: Apple Safari Code Execution And Information Disclosure Vulnerabilities Feb17
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 10.0.1

Timelineinfo

05/11/2016 🔍
10/24/2016 +166 days 🔍
10/24/2016 +0 days 🔍
10/24/2016 +0 days 🔍
10/25/2016 +1 days 🔍
10/27/2016 +2 days 🔍
02/19/2017 +115 days 🔍
09/28/2022 +2046 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207272
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4677 (🔍)
GCVE (CVE): GCVE-0-2016-4677
GCVE (VulDB): GCVE-100-93056
SecurityFocus: 93853 - WebKit CVE-2016-4677 Memory Corruption Vulnerability
SecurityTracker: 1037087

See also: 🔍

Entryinfo

Created: 10/25/2016 09:03
Updated: 09/28/2022 10:42
Changes: 10/25/2016 09:03 (70), 05/17/2019 16:16 (12), 09/28/2022 10:42 (4)
Complete: 🔍
Cache ID: 216:53D:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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