Description (CNA)
System Informer before 4.0.26241.138 contains an incorrect authorization vulnerability in the phsvc helper that allows local attackers to reach privileged APIs by connecting from any Authenticode-signed process. Attackers can load code into a Microsoft-signed host like rundll32.exe, connect to SiSvcApiPort, and call PhSvcApiCreateService to execute code as SYSTEM.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| winsiderss / System Informer | affected 0 before 4.0.26241.138; unaffected 4.0.26241.138 |
CWE
CWE-863
References
- https://github.com/winsiderss/systeminformer/commit/ce451a264a424f6f386b1615df651f8364aaeb9f
- https://github.com/winsiderss/systeminformer/blob/v3.2.25011.2103/SystemInformer/phsvc/svcapiport.c#L196-L230
- https://github.com/winsiderss/systeminformer/releases/tag/v4.0.26241.138
- https://github.com/winsiderss/systeminformer
- https://www.vulncheck.com/advisories/system-informer-before-4.0.26241.138-incorrect-authorization-in-phsvc-alpc-port
ADP enrichment
No English description supplied.
No references supplied.