Multiple vulnerabilities in Microsoft ASP.NET Core
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2017-0247 CVE-2017-0249 CVE-2017-0256 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ASP.NET Core MVC Universal components / Libraries / Software for developers |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Denial of service
EUVDB-ID: #VU6541
Risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-0247
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote unauthenticated user to cause DoS condition on the target system.
The weakness exists due to improper validation of user-input requests by ASP.NET Core. A remote attacker can send a specially crafted web request and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Install update from vendor's website.
ASP.NET Core MVC: 1.0.0 - 1.1.0
External linkshttp://technet.microsoft.com/en-us/library/security/4021279.aspx
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Privilege escalation
EUVDB-ID: #VU6542
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-0249
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote unauthenticated attacker to gain elevated privileges on the target system.
The weakness exists due to improper validation of user-input requests by ASP.NET Core. A remote attacker can send a specially crafted web request and gain elevated privileges.
Install update from vendor's website.
ASP.NET Core MVC: 1.0.0 - 1.1.0
External linkshttp://technet.microsoft.com/en-us/library/security/4021279.aspx
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Spoofing attack
EUVDB-ID: #VU6543
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-0256
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote unauthenticated attacker to perform spoofing attack.
The weakness exists due to improper validation of user-input requests by ASP.NET Core. A remote attacker can send a specially crafted web request and perform a spoofing attack to access the system.
Successful exploitation of the vulnerability may result in unauthorized access to entire database.
Install update from vendor's website.
ASP.NET Core MVC: 1.0.0 - 1.1.0
External linkshttp://technet.microsoft.com/en-us/library/security/4021279.aspx
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
