VDB-81621 · CVE-2016-1789 · BID 85766

Apple iBooks Author up to 2.4.0 xml external entity reference

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple iBooks Author up to 2.4.0. Affected by this issue is some unknown functionality. Performing a manipulation results in xml external entity reference. This vulnerability is identified as CVE-2016-1789. The attack is only possible with local access. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple iBooks Author up to 2.4.0. This affects an unknown functionality. The manipulation with an unknown input leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Apple iBooks Author before 2.4.1 allows remote attackers to read arbitrary files via an iBooks Author file containing an XML external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

The weakness was released 04/05/2016 (Website). The advisory is shared at lists.apple.com. This vulnerability is uniquely identified as CVE-2016-1789 since 01/13/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 124866 (Apple iBooks Author 2.4.1 Not Installed (APPLE-SA-2016-03-31-1)).

Upgrading to version 2.4.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 85766†) and Vulnerability Center (SBV-57839†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: iBooks Author 2.4.1

Timelineinfo

01/13/2016 🔍
03/31/2016 +78 days 🔍
03/31/2016 +0 days 🔍
04/01/2016 +1 days 🔍
04/05/2016 +3 days 🔍
04/05/2016 +0 days 🔍
04/06/2016 +1 days 🔍
10/11/2024 +3110 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: lists.apple.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-1789 (🔍)
GCVE (CVE): GCVE-0-2016-1789
GCVE (VulDB): GCVE-100-81621
SecurityFocus: 85766 - Apple iBooks Author CVE-2016-1789 XML External Entity Information Disclosure Vulnerability
Vulnerability Center: 57839 - Apple iBooks Author <2.4.1 Remote Information Disclosure via Crafted iBooks Author File, Medium

Entryinfo

Created: 04/06/2016 12:21
Updated: 10/11/2024 17:54
Changes: 04/06/2016 12:21 (54), 02/03/2019 10:25 (13), 10/11/2024 17:54 (19)
Complete: 🔍
Cache ID: 216:501:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!