CVE-2021-1857

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.

References

https://support.apple.com/en-us/HT212321

https://support.apple.com/en-us/HT212319

https://support.apple.com/en-us/HT212327

https://support.apple.com/en-us/HT212317

https://support.apple.com/en-us/HT212325

https://support.apple.com/en-us/HT212326

https://support.apple.com/en-us/HT212323

https://support.apple.com/en-us/HT212324

Details

Source: MITRE

Published: 2021-09-08

Updated: 2021-09-16

Type: CWE-665

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*

cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.0:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.1:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.2:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.3:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.4:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.4:beta4:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.5:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.1:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.2:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.3:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.4:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.5:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.6:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Tenable Plugins

View all (6 total)

IDNameProductFamilySeverity
149061Apple iOS < 14.5 Multiple Vulnerabilities (HT212317)NessusMobile Devices
high
149043macOS 10.14.x < 10.14.6 Security Update 2021-003 Mojave (HT212327)NessusMacOS X Local Security Checks
critical
149042macOS 10.15.x < 10.15.7 Security Update 2021-002 Catalina (HT212326)NessusMacOS X Local Security Checks
critical
149041macOS 11.x < 11.3 (HT212325)NessusMacOS X Local Security Checks
critical
149023Apple iTunes < 12.11.3 Multiple Vulnerabilities (credentialed check)NessusWindows
medium
149022Apple iTunes < 12.11.3 Multiple Vulnerabilities (uncredentialed check)NessusPeer-To-Peer File Sharing
medium