8.8
HIGH
CVE-2021-30889
Apple WebKit Buffer Overflow
Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to arbitrary code execution.

INFO

Published Date :

Aug. 24, 2021, 7:15 p.m.

Last Modified :

Nov. 7, 2023, 3:33 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-30889 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 iphone_os
3 Apple tvos
4 Apple watchos
5 Apple ipados
: Total Affected Vendor : 1 | Products : 5
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-2021-30889.

URL Resource
http://www.openwall.com/lists/oss-security/2021/12/20/6
https://support.apple.com/en-us/HT212867
https://support.apple.com/en-us/HT212869
https://support.apple.com/en-us/HT212874
https://support.apple.com/en-us/HT212876

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-2021-30889 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-30889 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212869 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212867 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212874 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212876 [No types assigned]
    Added Reference Apple Inc. http://www.openwall.com/lists/oss-security/2021/12/20/6 [No types assigned]
    Removed Reference MITRE https://support.apple.com/en-us/HT212876
    Removed Reference MITRE https://support.apple.com/en-us/HT212874
    Removed Reference MITRE https://support.apple.com/en-us/HT212869
    Removed Reference MITRE https://support.apple.com/en-us/HT212867
    Removed Reference MITRE http://www.openwall.com/lists/oss-security/2021/12/20/6
  • CVE Source Update by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Source MITRE Apple Inc.
  • CPE Deprecation Remap by [email protected]

    Jan. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions from (excluding) 15.1 OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (excluding) 15.1
  • Modified Analysis by [email protected]

    Dec. 21, 2021

    Action Type Old Value New Value
    Changed Reference Type http://www.openwall.com/lists/oss-security/2021/12/20/6 No Types Assigned http://www.openwall.com/lists/oss-security/2021/12/20/6 Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:macos:12.0:*:*:*:*:*:*:* *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 8.1 OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 12.0.1 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 8.1
  • CVE Modified by [email protected]

    Dec. 20, 2021

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2021/12/20/6 [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 02, 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:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.apple.com/en-us/HT212867 No Types Assigned https://support.apple.com/en-us/HT212867 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212869 No Types Assigned https://support.apple.com/en-us/HT212869 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212874 No Types Assigned https://support.apple.com/en-us/HT212874 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212876 No Types Assigned https://support.apple.com/en-us/HT212876 Vendor Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:macos:12.0:*:*:*:*:*:*:* *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 15.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 8.1
  • CVE Modified by [email protected]

    Oct. 28, 2021

    Action Type Old Value New Value
    Changed Description ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to arbitrary code execution.
    Added Reference https://support.apple.com/en-us/HT212876 [No Types Assigned]
    Added Reference https://support.apple.com/en-us/HT212874 [No Types Assigned]
    Added Reference https://support.apple.com/en-us/HT212869 [No Types Assigned]
    Added Reference https://support.apple.com/en-us/HT212867 [No Types Assigned]
  • CVE Unrejected by [email protected]

    Oct. 28, 2021

    Action Type Old Value New Value
  • CVE Rejected by [email protected]

    Aug. 24, 2021

    Action Type Old Value New Value
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-2021-30889 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-2021-30889 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers
Exploit Prediction

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

0.38 }} 0.03%

score

0.72694

percentile

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