7.8
HIGH
CVE-2021-30979
Apple USD File Processing Buffer Overflow
Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

INFO

Published Date :

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

Last Modified :

Nov. 7, 2023, 3:34 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-30979 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 mac_os_x
3 Apple iphone_os
4 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-2021-30979.

URL Resource
https://support.apple.com/en-us/HT212976
https://support.apple.com/en-us/HT212978
https://support.apple.com/en-us/HT212979
https://support.apple.com/en-us/HT212981
https://www.zerodayinitiative.com/advisories/ZDI-22-358/

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-2021-30979 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-30979 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 Source Update by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Source MITRE Apple Inc.
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212976 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212978 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212979 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212981 [No types assigned]
    Added Reference Apple Inc. https://www.zerodayinitiative.com/advisories/ZDI-22-358/ [No types assigned]
    Removed Reference MITRE https://support.apple.com/en-us/HT212978
    Removed Reference MITRE https://support.apple.com/en-us/HT212979
    Removed Reference MITRE https://support.apple.com/en-us/HT212976
    Removed Reference MITRE https://support.apple.com/en-us/HT212981
    Removed Reference MITRE https://www.zerodayinitiative.com/advisories/ZDI-22-358/
  • Modified Analysis by [email protected]

    Feb. 22, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-22-358/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-22-358/ Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Feb. 16, 2022

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-22-358/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 03, 2022

    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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.apple.com/en-us/HT212976 No Types Assigned https://support.apple.com/en-us/HT212976 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212978 No Types Assigned https://support.apple.com/en-us/HT212978 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212979 No Types Assigned https://support.apple.com/en-us/HT212979 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212981 No Types Assigned https://support.apple.com/en-us/HT212981 Vendor Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 15.2 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 15.2 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.15 up to (excluding) 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_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:* *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.6.2 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 12.0 up to (excluding) 12.1
  • CVE Modified by [email protected]

    Dec. 23, 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 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.
    Added Reference https://support.apple.com/en-us/HT212978 [No Types Assigned]
    Added Reference https://support.apple.com/en-us/HT212979 [No Types Assigned]
    Added Reference https://support.apple.com/en-us/HT212976 [No Types Assigned]
    Added Reference https://support.apple.com/en-us/HT212981 [No Types Assigned]
  • CVE Unrejected by [email protected]

    Dec. 23, 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-2021-30979 is associated with the following CWEs:

Exploit Prediction

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

0.12 }} 0.02%

score

0.46654

percentile

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