2021-30785 | Apple iOS/iPadOS ImageIO buffer overflow (HT212601)
|CVSS Meta Temp Score
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|Current Exploit Price (≈)
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|CTI Interest Score
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A vulnerability was found in Apple iOS and iPadOS up to 14.6 (Smartphone Operating System). It has been rated as critical. This issue affects an unknown functionality of the component ImageIO. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-120. Impacted is confidentiality, integrity, and availability.
The weakness was published 07/19/2021 by CFF as HT212601 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2021-30785 since 04/13/2021. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 07/27/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:
Processing a maliciously crafted image may lead to arbitrary code execution
Upgrading to version 14.7 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
A buffer overflow was addressed with improved bounds checking.
VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Upgrade: iOS/iPadOS 14.7
04/13/2021 CVE assigned
07/19/2021 +97 days Advisory disclosed
07/19/2021 +0 days Countermeasure disclosed
07/23/2021 +4 days VulDB entry created
07/27/2021 +4 days VulDB last updateVendor: https://www.apple.com/
CVE: CVE-2021-30785 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917
Created: 07/23/2021 08:17
Updated: 07/27/2021 17:11
Changes: (1) source_cve_assigned
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