Apple Safari 6.0 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple Safari 6.0. Impacted is an unknown function of the component WebKit. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2013-5127. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as very critical was found in Apple Safari 6.0 (Web Browser). This vulnerability affects an unknown part 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. CVE summarizes:

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). The advisory is shared for download at lists.apple.com. The mailinglist post contains:

Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling.
This vulnerability was named CVE-2013-5127 since 08/15/2013. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 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 (87230), Tenable (70257), SecurityFocus (BID 62490†), Secunia (SA54886†) and Vulnerability Center (SBV-42079†). The entries VDB-5610, VDB-8303, VDB-8559 and VDB-8792 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

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

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Safari 6.1

Timelineinfo

08/15/2013 🔍
09/19/2013 +35 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-2013-5127 (🔍)
GCVE (CVE): GCVE-0-2013-5127
GCVE (VulDB): GCVE-100-10972
X-Force: 87230
SecurityFocus: 62490
Secunia: 54886 - Apple iOS Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1029054
Vulnerability Center: 42079 - Multiple Apple Products Remote Arbitrary Code Execution and DoS Vulnerabilities (CVE-2013-5127), Medium

See also: 🔍

Entryinfo

Created: 10/23/2013 17:41
Updated: 06/01/2021 11:30
Changes: 10/23/2013 17:41 (75), 05/14/2017 09:28 (1), 06/01/2021 11:23 (2), 06/01/2021 11:30 (1)
Complete: 🔍
Cache ID: 216::103

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