Apple iOS up to 9.3.3 Printing UIKit information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 9.3.3. It has been classified as problematic. Affected is an unknown function of the component Printing UIKit. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2016-4749. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple iOS up to 9.3.3 (Smartphone Operating System) and classified as problematic. This issue affects an unknown code block of the component Printing UIKit. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Printing UIKit in Apple iOS before 10 mishandles environment variables, which allows local users to discover cleartext AirPrint preview content by reading a temporary file.

The weakness was disclosed 09/13/2016 by Raul Siles with DinoSec as HT207143 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-4749 since 05/11/2016. The exploitation is known to be easy. Attacking locally is a requirement. The requirement for exploitation is a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. The advisory points out:

An issue existed in AirPrint preview. This was addressed through improved environment sanitization.

Upgrading to version 10 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92932†). The entries VDB-91604, VDB-91602, VDB-91603 and VDB-91605 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 10

Timelineinfo

05/11/2016 🔍
09/13/2016 +125 days 🔍
09/13/2016 +0 days 🔍
09/13/2016 +0 days 🔍
09/14/2016 +1 days 🔍
09/18/2016 +4 days 🔍
09/16/2022 +2189 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207143
Researcher: Raul Siles
Organization: DinoSec
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4749 (🔍)
GCVE (CVE): GCVE-0-2016-4749
GCVE (VulDB): GCVE-100-91607
SecurityFocus: 92932 - Apple iOS Prior to 10 Multiple Security Vulnerabilities
SecurityTracker: 1036797

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

Entryinfo

Created: 09/14/2016 18:03
Updated: 09/16/2022 15:59
Changes: 09/14/2016 18:03 (59), 04/16/2019 20:48 (14), 09/16/2022 15:59 (3)
Complete: 🔍
Cache ID: 216:B01:103

Be aware that VulDB is the high quality source for vulnerability data.

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