Apple Safari 6.0 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.
9.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apple Safari 6.0. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component WebKit. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2013-1046. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple Safari 6.0 (Web Browser) and classified as very critical. This issue affects 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 summary by CVE is:

WebKit, as used in Apple iOS before 7, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2013-09-18-2.

The weakness was disclosed 10/22/2013 with Google Chrome Security Team as APPLE-SA-2013-10-22-2 as confirmed mailinglist post (Apple Security Mailinglist). It is possible to read the advisory at lists.apple.com. The mailinglist post contains:

Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling.

The identification of this vulnerability is CVE-2013-1046 since 01/10/2013. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/01/2021).

The vulnerability scanner Nessus provides a plugin with the ID 70257 (Apple TV < 6.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc.. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121756 (Apple iTunes Prior to 11.1.4 Multiple Vulnerabilities (HT6001)).

Upgrading to version 6.1 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 X-Force (87251), Tenable (70257), SecurityFocus (BID 62490†), Secunia (SA54886†) and Vulnerability Center (SBV-42075†). The entries VDB-5610, VDB-8303, VDB-8559 and VDB-8792 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Web Browser

Vendor

Apple

Name

Safari

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

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

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 70257
Nessus Name: Apple TV < 6.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Safari 6.1

Timelineinfo

01/10/2013 🔍
09/18/2013 +250 days 🔍
09/19/2013 +1 days 🔍
09/19/2013 +0 days 🔍
09/19/2013 +0 days 🔍
10/22/2013 +33 days 🔍
10/22/2013 +0 days 🔍
10/23/2013 +1 days 🔍
10/24/2013 +1 days 🔍
06/01/2021 +2777 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2013-10-22-2
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-1046 (🔍)
GCVE (CVE): GCVE-0-2013-1046
GCVE (VulDB): GCVE-100-10967
X-Force: 87251
SecurityFocus: 62490
Secunia: 54886 - Apple iOS Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1029054
Vulnerability Center: 42075 - Multiple Apple Products Remote Arbitrary Code Execution and DoS Vulnerabilities (CVE-2013-1046), Medium

See also: 🔍

Entryinfo

Created: 10/23/2013 17:41
Updated: 06/01/2021 10:25
Changes: 10/23/2013 17:41 (75), 05/14/2017 09:26 (1), 06/01/2021 10:13 (2), 06/01/2021 10:19 (2), 06/01/2021 10:25 (1)
Complete: 🔍
Cache ID: 216::103