6.5
MEDIUM
CVE-2021-1857
Apple iTunes Memory Corruption Vulnerability
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.

INFO

Published Date :

Sept. 8, 2021, 3:15 p.m.

Last Modified :

Sept. 16, 2021, 6:09 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-1857 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple itunes
3 Apple mac_os_x
4 Apple iphone_os
5 Apple tvos
6 Apple watchos
7 Apple icloud
8 Apple ipados
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-1857.

URL Resource
https://support.apple.com/en-us/HT212317 Vendor Advisory
https://support.apple.com/en-us/HT212319 Vendor Advisory
https://support.apple.com/en-us/HT212321 Vendor Advisory
https://support.apple.com/en-us/HT212323 Vendor Advisory
https://support.apple.com/en-us/HT212324 Vendor Advisory
https://support.apple.com/en-us/HT212325 Vendor Advisory
https://support.apple.com/en-us/HT212326 Vendor Advisory
https://support.apple.com/en-us/HT212327 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-1857 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-1857 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 16, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    Changed Reference Type https://support.apple.com/en-us/HT212317 No Types Assigned https://support.apple.com/en-us/HT212317 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212319 No Types Assigned https://support.apple.com/en-us/HT212319 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212321 No Types Assigned https://support.apple.com/en-us/HT212321 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212323 No Types Assigned https://support.apple.com/en-us/HT212323 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212324 No Types Assigned https://support.apple.com/en-us/HT212324 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212325 No Types Assigned https://support.apple.com/en-us/HT212325 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212326 No Types Assigned https://support.apple.com/en-us/HT212326 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212327 No Types Assigned https://support.apple.com/en-us/HT212327 Vendor Advisory
    Added CWE NIST CWE-665
    Added CPE Configuration OR *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions up to (excluding) 12.3 *cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* versions up to (excluding) 12.11.3 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *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:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.3 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 7.4
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-1857 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-1857 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.34 }} 0.01%

score

0.71321

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability