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

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Safari up to 6.2.7/7.1.7/8.0.7. It has been declared as critical. This vulnerability affects unknown code of the component WebKit. The manipulation leads to memory corruption. This vulnerability was named CVE-2015-3736. There is no exploit available. It is recommended to upgrade the affected component. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability was found in Apple Safari up to 6.2.7/7.1.7/8.0.7 (Web Browser). It has been classified as critical. This affects an unknown code 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.

The weakness was shared 08/11/2015 with Apple as HT205033 as confirmed advisory (Website). The advisory is shared at support.apple.com. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2015-3736 since 05/07/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 124144 (Apple iTunes Prior to 12.3 Multiple Vulnerabilities (APPLE-SA-2015-09-16-3)).

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 (105617), Tenable (85408), SecurityFocus (BID 76338†), SecurityTracker (ID 1033274†) and Vulnerability Center (SBV-52708†). The entries VDB-11563, VDB-69011, VDB-73748 and VDB-75568 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

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: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

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 🔍
09/16/2015 +31 days 🔍
09/17/2015 +1 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-2015-3736 (🔍)
GCVE (CVE): GCVE-0-2015-3736
GCVE (VulDB): GCVE-100-77109
X-Force: 105617
SecurityFocus: 76338 - WebKit Multiple Unspecified Memory Corruption Vulnerabilities
SecurityTracker: 1033274
Vulnerability Center: 52708 - Apple iOS <8.4.1 Remote Code Execution or DoS via a Crafted Website - CVE-2015-3736, Critical

See also: 🔍

Entryinfo

Created: 08/14/2015 11:54
Updated: 06/09/2022 17:14
Changes: 08/14/2015 11:54 (70), 12/24/2017 09:47 (14), 06/09/2022 17:06 (3), 06/09/2022 17:14 (1)
Complete: 🔍
Cache ID: 216:AF7:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!