CVE-2019-0841
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
9Exploited in Wild
YesDecision
Descriptions
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836.
Existe una elevación de la vulnerabilidad de privilegios cuando el Servicio de implementación de Windows AppX (AppXSVC) maneja incorrectamente los enlaces físicos, también conocida como "Vulnerabilidad de Elevación Privilegios de Windows". El ID de este CVE es diferente de CVE-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805 y CVE-2019-0836.
This vulnerability allows local attackers to escalate privileges on vulnerable installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the AppX Deployment Service. By creating a hard link, an attacker can abuse the service to weaken the ACL of a chosen file. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the current user or app.
Microsoft Windows suffers from a deployment service local privilege escalation vulnerability that bypasses the fix for CVE-2019-0841.
A privilege escalation vulnerability exists when Windows AppXSVC improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2018-11-26 CVE Reserved
- 2019-04-09 CVE Published
- 2019-04-09 First Exploit
- 2022-03-15 Exploited in Wild
- 2022-04-05 KEV Due Date
- 2024-04-02 EPSS Updated
- 2024-08-04 CVE Updated
CWE
- CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
References (15)
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/46976 | 2019-06-07 | |
| https://www.exploit-db.com/exploits/46938 | 2019-05-23 | |
| https://www.exploit-db.com/exploits/46683 | 2024-08-04 | |
| https://www.exploit-db.com/exploits/47128 | 2019-07-16 | |
| https://github.com/rogue-kdc/CVE-2019-0841 | 2019-04-09 | |
| https://github.com/0x00-0x00/CVE-2019-0841-BYPASS | 2019-06-11 | |
| https://github.com/likescam/CVE-2019-0841 | 2019-04-09 | |
| https://github.com/mappl3/CVE-2019-0841 | 2022-04-09 | |
| http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html | 2024-08-04 |
| URL | Date | SRC |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841 | 2023-03-20 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Windows 10 1703 Search vendor "Microsoft" for product "Windows 10 1703" | * | - |
Affected
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| Microsoft Search vendor "Microsoft" | Windows 10 1709 Search vendor "Microsoft" for product "Windows 10 1709" | * | - |
Affected
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| Microsoft Search vendor "Microsoft" | Windows 10 1803 Search vendor "Microsoft" for product "Windows 10 1803" | * | - |
Affected
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| Microsoft Search vendor "Microsoft" | Windows 10 1809 Search vendor "Microsoft" for product "Windows 10 1809" | * | - |
Affected
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| Microsoft Search vendor "Microsoft" | Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016" | 1803 Search vendor "Microsoft" for product "Windows Server 2016" and version "1803" | - |
Affected
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| Microsoft Search vendor "Microsoft" | Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019" | - | - |
Affected
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