Apple iOS/iPadOS up to 12.4.6/13.4.1 Mail out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

A vulnerability classified as critical was found in Apple iOS and iPadOS up to 12.4.6/13.4.1 (Smartphone Operating System). This vulnerability affects an unknown function of the component Mail. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 05/20/2020 with ZecOps.com as HT211168 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2020-9818. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/20/2024). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An out-of-bounds write issue was addressed with improved bounds checking.

It is declared as highly functional. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading to version 12.4.7 or 13.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 155693, 155738, 155739 and 155740 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

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EPSS Percentile: 🔍

KEV Added: 🔍
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KEV Ransomware: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS/iPadOS 12.4.7/13.5

Timelineinfo

03/02/2020 🔍
05/20/2020 +79 days 🔍
05/20/2020 +0 days 🔍
05/29/2020 +9 days 🔍
04/20/2024 +1422 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211168
Organization: ZecOps.com
Status: Confirmed

CVE: CVE-2020-9818 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 05/30/2020 00:57
Updated: 04/20/2024 10:32
Changes: 05/30/2020 00:57 (47), 05/30/2020 01:02 (16), 10/20/2020 09:19 (2), 04/20/2024 10:32 (28)
Complete: 🔍

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