Privilege escalation in Patriotmemory Viper Rgb
CVE-2019-18845
The MsIo64.sys and MsIo32.sys drivers in Patriot Viper RGB before 1.1 allow local users (including low integrity processes) to read and write to arbitrary memory locations, and consequently gain NT AUTHORITY\SYSTEM privileges, by mapping \Device\PhysicalMemory into the calling process via ZwOpenSection and ZwMapViewOfSection.
Vulnerability class: Privilege Escalation
EPSS: 0.004 (33.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Patriotmemory Viper_rgb
- Patriotmemory Viper_rgb_firmware — versions 1.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
- fengjixuchui/CVE-2019-18845
- 0xcyberpj/windows-exploitation
- 0xpetros/windows-privilage-escalation
- 474172261/KDU
- ARPSyndicate/cvemon
- FULLSHADE/WindowsExploitationResources
- FuzzySecurity/Sharp-Suite
- MustafaNafizDurukan/WindowsKernelExploitationResources
- NitroA/windowsexpoitationresources
- NullArray/WinKernel-Resources
References
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-18845?
- CVE-2019-18845 is a high-severity vulnerability in Patriotmemory Viper Rgb, classified under Improper Privilege Management. CVSS score: 7.1/10. Published 2019-11-09.
- How severe is CVE-2019-18845?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2019-18845 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.