Apple Safari up to 6.2.7/7.1.7/8.0.7 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability classified as critical was found in Apple Safari up to 6.2.7/7.1.7/8.0.7 (Web Browser). Affected by this vulnerability is an unknown functionality of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 08/11/2015 with Apple as HT205033 as confirmed advisory (Website). The advisory is shared at support.apple.com. The public release was coordinated in cooperation with Apple. This vulnerability is known as CVE-2015-3740 since 05/07/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple memory corruption issues existed in WebKit.

The vulnerability scanner Nessus provides a plugin with the ID 85408 (Mac OS X 10.10.x < 10.10.5 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168651 (OpenSuSE Security Update for Security webkit2gtk3 (openSUSE-SU-2016:0761-1)).

Upgrading to version 6.2.8, 7.1.8 or 8.0.8 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

These issues were addressed through improved memory handling.

The vulnerability is also documented in the databases at X-Force (105621), Tenable (85408), SecurityFocus (BID 76338†), SecurityTracker (ID 1033274†) and Vulnerability Center (SBV-52713†).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 85408
Nessus Name: Mac OS X 10.10.x < 10.10.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802962
OpenVAS Name: Apple iTunes Multiple Vulnerabilities Sep15 (Windows)
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: Safari 6.2.8/7.1.8/8.0.8

Timelineinfo

05/07/2015 🔍
08/11/2015 +96 days 🔍
08/11/2015 +0 days 🔍
08/13/2015 +2 days 🔍
08/13/2015 +0 days 🔍
08/14/2015 +1 days 🔍
08/16/2015 +2 days 🔍
08/16/2015 +0 days 🔍
09/17/2015 +32 days 🔍
06/09/2022 +2457 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205033
Researcher: http://www.apple.com
Organization: Apple
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2015-3740 (🔍)
X-Force: 105621
SecurityFocus: 76338 - WebKit Multiple Unspecified Memory Corruption Vulnerabilities
SecurityTracker: 1033274
Vulnerability Center: 52713 - Apple iOS <8.4.1 Remote Code Execution or DoS via a Crafted Website - CVE-2015-3740, Critical

Entryinfo

Created: 08/14/2015 11:54 AM
Updated: 06/09/2022 06:15 PM
Changes: 08/14/2015 11:54 AM (70), 12/24/2017 09:48 AM (14), 06/09/2022 06:07 PM (3), 06/09/2022 06:15 PM (1)
Complete: 🔍
Cache ID: 98:8B6:40

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