Apple iOS up to 5.1.1 DHCP Client information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apple iOS up to 5.1.1. Affected by this issue is some unknown functionality of the component DHCP Client. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2012-3725. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apple iOS up to 5.1.1 (Smartphone Operating System). Affected by this vulnerability is some unknown functionality of the component DHCP Client. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets containing a MAC address of a host on a previously used network, which might allow remote attackers to obtain sensitive information about previous device locations by sniffing an unencrypted Wi-Fi network for these packets.

The weakness was disclosed 09/19/2012 by Mark Wuergler with Immunity, Inc. as APPLE-SA-2012-09-19-1 as confirmed posting (Website). The advisory is shared at prod.lists.apple.com. This vulnerability is known as CVE-2012-3725 since 06/19/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 62357 (Apple TV < 5.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gain a shell remotely.

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 (78720), Tenable (62357), SecurityFocus (BID 56273†), OSVDB (85628†) and Secunia (SA50586†). The entries VDB-5798, VDB-5799, VDB-5800 and VDB-5850 are pretty similar. 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: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62357
Nessus Name: Apple TV < 5.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 6.0
Alternative: Google Android

Timelineinfo

06/19/2012 🔍
09/19/2012 +92 days 🔍
09/19/2012 +0 days 🔍
09/19/2012 +0 days 🔍
09/20/2012 +0 days 🔍
09/20/2012 +0 days 🔍
09/20/2012 +0 days 🔍
09/21/2012 +1 days 🔍
03/09/2015 +899 days 🔍
04/13/2021 +2227 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2012-09-19-1
Researcher: Mark Wuergler
Organization: Immunity, Inc.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3725 (🔍)
GCVE (CVE): GCVE-0-2012-3725
GCVE (VulDB): GCVE-100-6337
X-Force: 78720 - Apple iOS DHCP CVE-2012-3725, Low Risk
SecurityFocus: 56273 - Apple iPhone/iPad/iPod touch Prior to iOS 6 CVE-2012-3725 Information Disclosure Vulnerability
Secunia: 50586 - Apple iOS Multiple Vulnerabilities, Highly Critical
OSVDB: 85628
Vulnerability Center: 48905 - Apple iOS <6 DNAv4 Protocol Implementation Remote Information Disclosure Vulnerability, Medium

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

Entryinfo

Created: 09/21/2012 13:45
Updated: 04/13/2021 09:19
Changes: 09/21/2012 13:45 (82), 06/22/2017 10:28 (2), 04/13/2021 09:19 (3)
Complete: 🔍
Cache ID: 216:A12:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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