Apple iOS up to 8.4.0 Office Viewer information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.57

Summaryinfo

A vulnerability classified as problematic was found in Apple iOS up to 8.4.0. This vulnerability affects unknown code of the component Office Viewer. Such manipulation leads to information disclosure. This vulnerability is listed as CVE-2015-3784. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS up to 8.4.0 (Smartphone Operating System). Affected by this issue is an unknown function of the component Office Viewer. 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.

The weakness was presented 08/11/2015 by Ilja van Sprundel with Google Project Zero as HT205030 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2015-3784 since 05/07/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 77257 (AIX 6.1 TL 8 : libxml2 (IV62447)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123806 (Apple Mac OS X v10.10.5 and Security Update 2015-006 Not Installed (APPLE-SA-2015-08-13-2)).

Upgrading to version 8.4.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (77257), SecurityFocus (BID 76343†) and SecurityTracker (ID 1033275†). See VDB-77102, VDB-77103, VDB-77104 and VDB-77105 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 77257
Nessus Name: AIX 6.1 TL 8 : libxml2 (IV62447)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 702978
OpenVAS Name: Debian Security Advisory DSA 2978-1 (libxml2 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Upgrade: iOS 8.4.1

Timelineinfo

05/07/2015 🔍
08/11/2015 +96 days 🔍
08/11/2015 +0 days 🔍
08/13/2015 +2 days 🔍
08/14/2015 +1 days 🔍
08/14/2015 +0 days 🔍
08/16/2015 +2 days 🔍
02/02/2025 +3458 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205030
Researcher: Ilja van Sprundel
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3784 (🔍)
GCVE (CVE): GCVE-0-2015-3784
GCVE (VulDB): GCVE-100-77168
SecurityFocus: 76343 - Apple Mac OS X and iOS Multiple Security Vulnerabilities
SecurityTracker: 1033275 - Apple iOS Multiple Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, and Deny Service and Let Apps Gain Elevated Privileges

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

Entryinfo

Created: 08/14/2015 12:48
Updated: 02/02/2025 22:01
Changes: 08/14/2015 12:48 (66), 10/09/2017 09:48 (8), 06/10/2022 05:10 (3), 06/10/2022 05:20 (1), 02/02/2025 22:01 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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