Detections
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Apple iOS < 12.5.4 Multiple Vulnerabilities (HT212548)

high Nessus Plugin ID 150851

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Synopsis

The version of Apple iOS running on the mobile device is affected by multiple vulnerabilities.

Description

The version of Apple iOS running on the mobile device is prior to 12.5.4. It is, therefore, affected by multiple vulnerabilities:

 - A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. Processing a maliciously crafted certificate may lead to arbitrary code execution. (CVE-2021-30737)

 - A memory corruption issue was addressed with improved state management. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
 (CVE-2021-30761)

 - A use after free issue was addressed with improved memory management. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
 (CVE-2021-30762)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Apple iOS version 12.5.4 or later

Plugin Details

Severity: High

ID: 150851

File Name: apple_ios_1254_check.nbin

Version: 1.33

Type: local

Published: 6/17/2021

Updated: 4/8/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-30762

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:apple:iphone_os

Required KB Items: mdm/dependency/unlocked

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/14/2021

Vulnerability Publication Date: 5/27/2021

CISA Known Exploited Vulnerability Due Dates: 11/17/2021

Reference Information

CVE: CVE-2021-30737, CVE-2021-30761, CVE-2021-30762

APPLE-SA: APPLE-SA-2021-06-14