Multiple vulnerabilities in SolarWinds Orion Platform and Network Performance Monitor

1) Path traversal

EUVDB-ID: #VU49924

Risk: Medium

CVSSv3.1: 7.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27871

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within VulnerabilitySettings.aspx in SolarWinds Network Performance Monitor. A remote user can send a specially crafted HTTP request and create arbitrary files on the system in arbitrary directories.

Successful exploitation of the vulnerability can lead to arbitrary code execution in the context of SYSTEM account.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Orion Platform: 2019.2 - 2020.2.1 HF 1

Orion Network Performance Monitor: 2019.4 - 2020.2 Hotfix 1

External links

http://www.zerodayinitiative.com/advisories/ZDI-21-067/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU49923

Risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27870

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application within ExportToPDF.aspx in SolarWinds Network Performance Monitor. A remote attacker can gain unauthorized access to sensitive information in the context of SYSTEM account.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Orion Platform: 2019.2 - 2020.2.1 HF 1

Orion Network Performance Monitor: 2019.4 - 2020.2 Hotfix 1

External links

http://www.zerodayinitiative.com/advisories/ZDI-21-066/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) SQL injection

EUVDB-ID: #VU49922

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27869

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data within the WriteToFile method in SolarWinds Network Performance Monitor. A remote user can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to escalate privileges and reset the password for the Admin user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Orion Platform: 2019.2 - 2020.2.1 HF 1

Orion Network Performance Monitor: 2019.4 - 2020.2 Hotfix 1

External links

http://www.zerodayinitiative.com/advisories/ZDI-21-064/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Input validation error

EUVDB-ID: #VU49921

Risk: Medium

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14005

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input within the ExecuteVBScript and ExecuteExternalProgram methods in SolarWinds Network Performance Monitor. A remote authenticated user can pass specially crafted input to the application and execute arbitrary code with SYSTEM privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Orion Platform: 2019.2 - 2020.2.1 HF 1

Orion Network Performance Monitor: 2019.4 - 2020.2 Hotfix 1

External links

http://gist.github.com/alert3/c9dcce5474e55f408c93c086c30cdbb7
http://www.zerodayinitiative.com/advisories/ZDI-21-063/
http://www.zerodayinitiative.com/advisories/ZDI-21-065/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.