Apple iOS up to 5.01 CFNetwork URL input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Apple iOS up to 5.01. Impacted is an unknown function of the component CFNetwork URL Handler. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2012-0641. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 5.01 (Smartphone Operating System). Affected by this issue is some unknown functionality of the component CFNetwork URL Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality. CVE summarizes:

CFNetwork in Apple iOS before 5.1 does not properly construct request headers during parsing of URLs, which allows remote attackers to obtain sensitive information via a malformed URL, a different vulnerability than CVE-2011-3447.

The weakness was published 03/07/2012 by Erling Ellingsen with Facebook as HT5192 as confirmed knowledge base article (Website). The advisory is available at support.apple.com. The public release has been coordinated with the vendor. This vulnerability is handled as CVE-2012-0641 since 01/12/2012. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a private exploit is available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/11/2025). It is expected to see the exploit prices for this product increasing in the near future.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 60028 (Apple iOS < 5.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mobile Devices.

Upgrading to version 5.1 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 (73877), Tenable (60028), SecurityFocus (BID 52364†), OSVDB (79969†) and Secunia (SA48288†). Similar entries are available at VDB-4734, VDB-4736, VDB-4737 and VDB-4738. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 60028
Nessus Name: Apple iOS < 5.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 5.1

Timelineinfo

01/12/2012 🔍
03/07/2012 +55 days 🔍
03/07/2012 +0 days 🔍
03/07/2012 +0 days 🔍
03/08/2012 +1 days 🔍
03/09/2012 +1 days 🔍
03/09/2012 +0 days 🔍
03/12/2012 +3 days 🔍
12/22/2014 +1015 days 🔍
05/11/2025 +3793 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5192
Researcher: Erling Ellingsen
Organization: Facebook
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-0641 (🔍)
GCVE (CVE): GCVE-0-2012-0641
GCVE (VulDB): GCVE-100-4790
X-Force: 73877
SecurityFocus: 52364
Secunia: 48288 - Apple iOS Multiple Vulnerabilities, Highly Critical
OSVDB: 79969
SecurityTracker: 1026774
Vulnerability Center: 47745 - Apple iOS <5.1 CFNetwork Remote Information Disclosure Vulnerability via a Malformed URL, Medium

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

Entryinfo

Created: 03/12/2012 09:53
Updated: 05/11/2025 06:17
Changes: 03/12/2012 09:53 (75), 06/16/2017 04:23 (1), 03/21/2021 16:00 (4), 05/11/2025 06:17 (15)
Complete: 🔍
Cache ID: 216:019:103

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