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CVE-2021-30860

An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS...

Basic Information

CVE State
PUBLISHED
Reserved Date
April 13, 2021
Published Date
August 24, 2021
Last Updated
February 03, 2025
Vendor
Apple
Product
macOS, watchOS, iOS
Description
An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Tags
macos ios cisa

CVSS Scores

CVSS v3.1

7.8 - HIGH

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

CVSS v2.0

6.8

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

SSVC Information

Exploitation
active
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2021-11-03 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2021-09-18 22:14:17 UTC) Source

References

https://support.apple.com/en-us/HT212804 https://support.apple.com/en-us/HT212805 https://support.apple.com/en-us/HT212807 https://support.apple.com/en-us/HT212806 http://seclists.org/fulldisclosure/2021/Sep/28 http://seclists.org/fulldisclosure/2021/Sep/27 http://seclists.org/fulldisclosure/2021/Sep/25 http://seclists.org/fulldisclosure/2021/Sep/26 http://seclists.org/fulldisclosure/2021/Sep/40 http://seclists.org/fulldisclosure/2021/Sep/38 http://seclists.org/fulldisclosure/2021/Sep/39 https://support.apple.com/kb/HT212824 http://seclists.org/fulldisclosure/2021/Sep/50 http://www.openwall.com/lists/oss-security/2022/09/02/11 https://security.gentoo.org/glsa/202209-21

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

jeffssh/CVE-2021-30860

Type: github • Created: 2021-12-25 03:00:01 UTC • Stars: 96

Collection of materials relating to FORCEDENTRY

Levilutz/CVE-2021-30860

Type: github • Created: 2021-09-18 22:14:17 UTC • Stars: 11

Scan for evidence of CVE-2021-30860 (FORCEDENTRY) exploit

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Proof of Concept Exploit Available

  • Added to KEVIntel