CVE-2021-30836
webkitgtk: Out-of-bounds read leading to memory disclosure
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may disclose restricted memory.
Se abordó una lectura fuera de límites con una comprobación de entrada mejorada. Este problema se corrigió en iOS versión 14.8 y iPadOS versión 14.8, tvOS versión 15, watchOS versión 8, iOS versión 15 y iPadOS versión 15. El procesamiento de un archivo de audio diseñado de forma maliciosa puede revelar la memoria restringida
An out-of-bounds read flaw was found in WebKitGTK. A specially crafted audio file could use this flaw to trigger a disclosure of memory when processed.
*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
- 2021-10-28 CVE Published
- 2024-06-03 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2021/12/20/6 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://support.apple.com/en-us/HT212807 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212814 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212815 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212819 | 2021-12-21 | |
| https://support.apple.com/kb/HT212816 | 2021-12-21 | |
| https://support.apple.com/kb/HT212869 | 2021-12-21 | |
| https://access.redhat.com/security/cve/CVE-2021-30836 | 2022-05-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2034376 | 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" | < 15.0.0 Search vendor "Apple" for product "Safari" and version " < 15.0.0" | - |
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
| ||||||
| Apple Search vendor "Apple" | Tvos Search vendor "Apple" for product "Tvos" | < 15.0 Search vendor "Apple" for product "Tvos" and version " < 15.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Watchos Search vendor "Apple" for product "Watchos" | < 8.0 Search vendor "Apple" for product "Watchos" and version " < 8.0" | - |
Affected
| ||||||