Privilege escalation in Microsoft Windows Error Reporting service
| Risk | Low |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | N/A |
| CWE-ID | CWE-362 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Race condition
EUVDB-ID: #VU18580
Risk: Low
CVSSv3.1: 6.6 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]
CVE-ID: N/A
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a race condition in the way the Windows Error Reporting service is processing file permissions. A local user can create a hardlink to a privileged file and change its permission within a short timeframe.
Successful exploitation of the vulnerability may allow an attacker to grant write permissions to critical system files and escalate privileges on the system.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsWindows: 10 - 10 Gold
External linkshttp://github.com/SandboxEscaper/polarbearrepo/tree/master/angrypolarbearbug2
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
