Apple iTunes up to 12.5 on Windows Expat cryptographic issue

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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple iTunes up to 12.5 on Windows. This issue affects some unknown processing of the component Expat. This manipulation causes cryptographic issue. This vulnerability is tracked as CVE-2012-6702. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apple iTunes up to 12.5 on Windows (Multimedia Player Software). Affected by this vulnerability is an unknown functionality of the component Expat. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect integrity. The summary by CVE is:

Expat, when used in a parser that has not called XML_SetHashSalt or passed it a seed of 0, makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via vectors involving use of the srand function.

The bug was discovered 06/03/2016. The weakness was disclosed 03/21/2017 as HT207599 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2012-6702 since 06/03/2016. 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 T1600 for this issue. The advisory points out:

Multiple issues existed in expat. These issues were addressed by updating expat to version 2.2.0.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 96092 (Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / 14.2 / current : expat (SSA:2016-359-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370347 (Apple iTunes Prior to 12.6 Multiple Vulnerabilities (APPLE-SA-2017-03-22-1) and (APPLE-SA-2017-03-22-2)).

Upgrading to version 12.6 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 Tenable (96092) and SecurityFocus (BID 91483†). The entries VDB-50128, VDB-61176, VDB-61175 and VDB-76263 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 96092
Nessus Name: Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / 14.2 / current : expat (SSA:2016-359-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800495
OpenVAS Name: Apple iTunes Multiple Vulnerabilities-HT207599 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iTunes 12.6

Timelineinfo

06/03/2016 🔍
06/03/2016 +0 days 🔍
06/16/2016 +12 days 🔍
06/27/2016 +11 days 🔍
12/27/2016 +183 days 🔍
03/21/2017 +84 days 🔍
03/21/2017 +0 days 🔍
03/29/2017 +8 days 🔍
08/23/2020 +1243 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207599
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-6702 (🔍)
GCVE (CVE): GCVE-0-2012-6702
GCVE (VulDB): GCVE-100-99037

OVAL: 🔍

SecurityFocus: 91483 - Libexpat Expat CVE-2012-6702 Predictable Random Number Generator Weakness
OSVDB: - CVE-2012-6702 - Expat - Weak Encryption Issue

See also: 🔍

Entryinfo

Created: 03/29/2017 16:53
Updated: 08/23/2020 16:57
Changes: 03/29/2017 16:53 (81), 08/23/2020 16:57 (6)
Complete: 🔍
Cache ID: 216:DB8:103

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.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!