Apple iOS up to 5.1.1 WebKit resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k0.00

A vulnerability was found in Apple iOS up to 5.1.1 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is an unknown part of the component WebKit. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in the XML parser in Google Chrome before 18.0.1025.168 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

The weakness was published 09/19/2012 by Skylined and Jose A. Vazquez (PinkiePie) as APPLE-SA-2012-09-19-1 as not defined posting (Website). It is possible to read the advisory at prod.lists.apple.com. This vulnerability is known as CVE-2012-1521 since 03/08/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/13/2021). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 58963 (FreeBSD : chromium -- multiple vulnerabilities (94c0ac4f-9388-11e1-b242-00262d5ed8ee)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120198 (Google Chrome Prior to 18.0.1025.168 Multiple Vulnerabilities).

Upgrading to version 6.0 eliminates this vulnerability. The problem might be mitigated by replacing the product with Google Android as an alternative. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (75270) and Tenable (58963). Similar entries are available at 5332, 5333, 5334 and 5337.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58963
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (94c0ac4f-9388-11e1-b242-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71386
OpenVAS Name: FreeBSD Ports: chromium
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: iOS 6.0
Alternative: Google Android

Timelineinfo

03/08/2012 🔍
04/30/2012 +53 days 🔍
04/30/2012 +0 days 🔍
05/01/2012 +1 days 🔍
05/07/2012 +6 days 🔍
09/19/2012 +135 days 🔍
09/19/2012 +0 days 🔍
09/21/2012 +1 days 🔍
04/13/2021 +3126 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2012-09-19-1
Researcher: Skylined , Jose A. Vazquez (PinkiePie)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-1521 (🔍)
OVAL: 🔍

X-Force: 75270
Vulnerability Center: 34993 - Google Chrome < 18.0.1025.168 XML Parser Remote Use-After-Free Vulnerability, Medium
SecurityFocus: 53309 - Google Chrome Prior to 18.0.1025.168 Multiple Security Vulnerabilities

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

Entryinfo

Created: 09/21/2012 13:45
Updated: 04/13/2021 15:46
Changes: 09/21/2012 13:45 (74), 04/11/2017 11:14 (9), 04/13/2021 15:46 (3)
Complete: 🔍

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