Apple Safari 6.0 XML File 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

A vulnerability has been found in Apple Safari 6.0 (Web Browser) and classified as very critical. Affected by this vulnerability is some unknown functionality of the component XML File Handler. 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 summary by CVE is:

Safari in Apple iOS before 7 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.

The weakness was disclosed 10/22/2013 by Kai Lu with Fortinet's FortiGuard Labs as APPLE-SA-2013-10-22-2 as confirmed mailinglist post (Apple Security Mailinglist). The advisory is shared at lists.apple.com. The mailinglist post contains:

Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution Description: A memory corruption issue existed in the handling of XML files. This issue was addressed through additional bounds checking.

This vulnerability is known as CVE-2013-1036 since 01/10/2013. The exploitation appears to be difficult. 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 price 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 70563 (Mac OS X : Apple Safari < 6.1 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.

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 (87252) and Tenable (70563). The entries 5610, 8303, 8792 and 8797 are pretty similar.

Productinfo

Type

Web Browser

Vendor

Apple

Name

Safari

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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: 70563
Nessus Name: Mac OS X : Apple Safari < 6.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Safari 6.1
Fortigate IPS: 🔍

Timelineinfo

01/10/2013 🔍
05/21/2013 +130 days 🔍
09/18/2013 +120 days 🔍
09/19/2013 +1 days 🔍
09/19/2013 +0 days 🔍
10/22/2013 +33 days 🔍
10/22/2013 +0 days 🔍
10/23/2013 +1 days 🔍
10/23/2013 +0 days 🔍
11/07/2013 +15 days 🔍
06/01/2021 +2763 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2013-10-22-2
Researcher: Kai Lu
Organization: Fortinet's FortiGuard Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-1036 (🔍)
X-Force: 87252
SecurityTracker: 1029054
Vulnerability Center: 42204 - Apple Safari Before 6.1 and Safari in iOS Before 7 Remote Code Execution or Denial of Service via a Malicious XML Document, Medium
SecurityFocus: 60067
Secunia: 54886 - Apple iOS Multiple Vulnerabilities, Highly Critical
OSVDB: 97443

See also: 🔍

Entryinfo

Created: 10/23/2013 17:41
Updated: 06/01/2021 09:06
Changes: 10/23/2013 17:41 (77), 05/15/2017 08:06 (2), 06/01/2021 09:02 (2), 06/01/2021 09:03 (2), 06/01/2021 09:06 (1)
Complete: 🔍