Apple iCloud up to 6.2.0 on Windows WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iCloud up to 6.2.0 on Windows. This affects an unknown part of the component WebKit. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2017-2530. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iCloud up to 6.2.0 on Windows (Cloud Software). It has been declared as critical. This vulnerability affects an unknown part of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 05/15/2017. The weakness was released 05/15/2017 by Wei Yuan with Baidu as HT207803 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2017-2530 since 12/01/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 100355 (macOS : Apple Safari < 10.1.1 Multiple Vulnerabilities), 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 371242 (Apple Safari 10.1.1 Not Installed (APPLE-SA-2017-05-15-7)).

Upgrading to version 6.2.1 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 (100355) and SecurityFocus (BID 98455†). Entries connected to this vulnerability are available at VDB-101294, VDB-101254, VDB-101262 and VDB-101263. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 100355
Nessus Name: macOS : Apple Safari < 10.1.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Code Execution Vulnerability-HT207803 (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: iCloud 6.2.1

Timelineinfo

12/01/2016 🔍
05/15/2017 +165 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/16/2017 +1 days 🔍
05/22/2017 +6 days 🔍
05/23/2017 +1 days 🔍
12/24/2020 +1311 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207803
Researcher: Wei Yuan
Organization: Baidu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2530 (🔍)
GCVE (CVE): GCVE-0-2017-2530
GCVE (VulDB): GCVE-100-101356
SecurityFocus: 98455 - WebKit CVE-2017-2530 Memory Corruption Vulnerability
SecurityTracker: 1038487

See also: 🔍

Entryinfo

Created: 05/16/2017 09:19
Updated: 12/24/2020 10:21
Changes: 05/16/2017 09:19 (70), 06/03/2020 09:40 (15), 12/24/2020 10:21 (3)
Complete: 🔍
Cache ID: 216:1FE:103

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