Apple iCloud up to 6.2.1 on Windows libxml2 out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iCloud up to 6.2.1 on Windows. It has been rated as problematic. The impacted element is an unknown function of the component libxml2. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2017-7013. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Apple iCloud up to 6.2.1 on Windows (Cloud Software). This affects an unknown function of the component libxml2. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality.

The bug was discovered 07/19/2017. The weakness was published 07/19/2017 by OSS-Fuzz as HT207927 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2017-7013 since 03/17/2017. 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 advisory points out:

An out-of-bounds read was addressed through improved bounds checking.

The vulnerability scanner Nessus provides a plugin with the ID 101956 (Apple iTunes < 12.6.2 Multiple Vulnerabilities (macOS) (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370477 (Apple iTunes Prior to 12.6.2 Multiple Memory Currption Vulnerabilities. (APPLE-SA-2017-07-19-6)).

Upgrading to version 6.2.2 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 (101956) and SecurityFocus (BID 99879†). Similar entries are available at VDB-104146, VDB-104143, VDB-104145 and VDB-104140. 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: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101956
Nessus Name: Apple iTunes < 12.6.2 Multiple Vulnerabilities (macOS) (credentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Multiple Vulnerabilities-HT207921 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iCloud 6.2.2

Timelineinfo

03/17/2017 🔍
07/19/2017 +124 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
07/20/2017 +0 days 🔍
07/20/2017 +0 days 🔍
07/25/2017 +5 days 🔍
01/05/2021 +1260 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207927
Researcher: OSS-Fuzz (OSS-Fuzz)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7013 (🔍)
GCVE (CVE): GCVE-0-2017-7013
GCVE (VulDB): GCVE-100-104265
SecurityFocus: 99879 - libxml2 CVE-2017-7013 XML External Entity Information Disclosure Vulnerability
SecurityTracker: 1038950

See also: 🔍

Entryinfo

Created: 07/20/2017 17:55
Updated: 01/05/2021 14:59
Changes: 07/20/2017 17:55 (78), 06/03/2020 10:16 (6), 01/05/2021 14:55 (3), 01/05/2021 14:59 (1)
Complete: 🔍
Cache ID: 216::103

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

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