CVE-2021-30809
webkitgtk: Use-after-free leading to arbitrary code execution
Severity Score
8.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.
Se abordó un problema de uso de memoria previamente liberada con una administración de la memoria mejorada. Este problema se corrigió en Safari versión 15, tvOS versión 15, watchOS versión 8, iOS versión 15 y iPadOS versión 15. El procesamiento de contenido web diseñado de forma maliciosa puede conllevar a una ejecución de código arbitrario
A use-after-free flaw was found in WebKitGTK. Specially crafted web content could use this flaw to trigger an arbitrary code execution 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
- 2024-07-13 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (8)
| 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/HT212814 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212815 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212816 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212819 | 2021-12-21 | |
| https://support.apple.com/kb/HT212869 | 2021-12-21 | |
| https://access.redhat.com/security/cve/CVE-2021-30809 | 2022-05-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2034347 | 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" | < 15.0 Search vendor "Apple" for product "Ipados" and version " < 15.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Iphone Os Search vendor "Apple" for product "Iphone Os" | < 15.0 Search vendor "Apple" for product "Iphone Os" and version " < 15.0" | - |
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
| ||||||