Apple iOS up to 8.1.2 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Apple iOS up to 8.1.2 and classified as critical. Impacted is an unknown function of the component WebKit. This manipulation causes memory corruption. This vulnerability appears as CVE-2014-4476. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple iOS up to 8.1.2 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is 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.

The weakness was presented 01/27/2015 with Apple as HT204245 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2014-4476 since 06/20/2014. 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 $5k-$25k at the moment (estimation calculated on 03/07/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

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

The vulnerability scanner Nessus provides a plugin with the ID 81051 (Mac OS X : Apple Safari < 6.2.3 / 7.1.3 / 8.0.3 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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123684 (Apple iTunes 12.2 Not Installed (APPLE-SA-2015-06-30-6)).

Upgrading to version 8.1.3 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 Tenable (81051), SecurityFocus (BID 72329†) and Vulnerability Center (SBV-50870†). Additional details are provided at us-cert.gov. See VDB-68223, VDB-68232, VDB-68329 and VDB-68339 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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

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VulDB Base Score: 🔍
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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: 81051
Nessus Name: Mac OS X : Apple Safari < 6.2.3 / 7.1.3 / 8.0.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802282
OpenVAS Name: Apple Safari Webkit Multiple Vulnerabilities -01 Feb15 (Mac OS X)
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: iOS 8.1.3

Timelineinfo

06/20/2014 🔍
01/27/2015 +221 days 🔍
01/27/2015 +0 days 🔍
01/27/2015 +0 days 🔍
01/28/2015 +1 days 🔍
01/29/2015 +1 days 🔍
01/30/2015 +1 days 🔍
06/30/2015 +151 days 🔍
07/01/2015 +1 days 🔍
03/07/2022 +2441 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT204245
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4476 (🔍)
GCVE (CVE): GCVE-0-2014-4476
GCVE (VulDB): GCVE-100-68953
SecurityFocus: 72329 - WebKit CVE-2014-4476 Unspecified Memory Corruption Vulnerability
SecurityTracker: 1031647
SecuriTeam: 1031652
Vulnerability Center: 50870 - Apple Safari Remote Code Execution and DoS due to a Bug in WebKit - CVE-2014-4476, Medium

scip Labs: https://www.scip.ch/en/?labs.20150917
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/29/2015 15:41
Updated: 03/07/2022 21:52
Changes: 01/29/2015 15:41 (64), 06/26/2018 09:03 (19), 03/07/2022 21:52 (4)
Complete: 🔍
Cache ID: 216:9E3:103

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