Apple iCloud up to 7.17 on Windows libxml2 buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple iCloud up to 7.17 on Windows and classified as critical. This vulnerability affects unknown code of the component libxml2. This manipulation causes buffer overflow. This vulnerability is tracked as CVE-2020-3910. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple iCloud up to 7.17 on Windows (Cloud Software) and classified as critical. Affected by this vulnerability is an unknown part of the component libxml2. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 03/25/2020 as HT211107 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2020-3910. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

A buffer overflow was addressed with improved size validation.

Upgrading to version 7.18 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-152507, VDB-152522, VDB-152544 and VDB-152571 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iCloud 7.18

Timelineinfo

12/18/2019 🔍
03/25/2020 +98 days 🔍
03/25/2020 +0 days 🔍
04/02/2020 +8 days 🔍
10/06/2020 +187 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211107
Status: Confirmed

CVE: CVE-2020-3910 (🔍)
GCVE (CVE): GCVE-0-2020-3910
GCVE (VulDB): GCVE-100-152617
See also: 🔍

Entryinfo

Created: 04/02/2020 12:06
Updated: 10/06/2020 17:24
Changes: 04/02/2020 12:06 (46), 04/02/2020 12:10 (16), 10/06/2020 17:24 (2)
Complete: 🔍
Cache ID: 216::103

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

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