CVE-2021-30848
webkitgtk: Memory corruption issue leading to arbitrary code execution
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.
Se abordó un problema de corrupción de memoria con un manejo de memoria mejorado. Este problema es corregido en iOS versión 14.8 y iPadOS versión 14.8, Safari versión 15, iOS versión 15 y iPadOS versión 15. El procesamiento de contenido web diseñado de forma maliciosa puede conllevar a una ejecución de código
WebKit suffers from a heap use-after-free vulnerability in EventHandler::keyEvent.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-04-13 CVE Reserved
- 2021-09-22 CVE Published
- 2024-07-04 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (12)
| URL | Tag | Source |
|---|---|---|
| http://seclists.org/fulldisclosure/2021/Oct/60 | Mailing List |
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| http://seclists.org/fulldisclosure/2021/Oct/61 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2021/10/26/9 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2021/10/27/1 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2021/10/27/2 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2021/10/27/4 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://support.apple.com/en-us/HT212807 | 2021-11-23 | |
| https://support.apple.com/en-us/HT212814 | 2021-11-23 | |
| https://support.apple.com/en-us/HT212816 | 2021-11-23 | |
| https://support.apple.com/kb/HT212869 | 2021-11-23 | |
| https://access.redhat.com/security/cve/CVE-2021-30848 | 2022-05-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2017901 | 2022-05-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Apple Search vendor "Apple" | Safari Search vendor "Apple" for product "Safari" | < 15.0 Search vendor "Apple" for product "Safari" and version " < 15.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Ipados Search vendor "Apple" for product "Ipados" | < 14.8 Search vendor "Apple" for product "Ipados" and version " < 14.8" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Iphone Os Search vendor "Apple" for product "Iphone Os" | < 14.8 Search vendor "Apple" for product "Iphone Os" and version " < 14.8" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | < 12.0.1 Search vendor "Apple" for product "Macos" and version " < 12.0.1" | - |
Affected
| ||||||