Multiple vulnerabilities in Prima Systems FlexAir
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 9 |
| CVE-ID | CVE-2019-7670 CVE-2019-7669 CVE-2019-7281 CVE-2019-7280 CVE-2019-7671 CVE-2019-7667 CVE-2019-7666 CVE-2019-7672 CVE-2019-9189 |
| CWE-ID | CWE-78 CWE-434 CWE-352 CWE-79 CWE-287 CWE-798 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #5 is available. Public exploit code for vulnerability #6 is available. Public exploit code for vulnerability #7 is available. Public exploit code for vulnerability #9 is available. |
| Vulnerable software Subscribe |
FlexAir Server applications / SCADA systems |
| Vendor | Prima Systems |
Security Bulletin
This security bulletin contains information about 9 vulnerabilities.
1) OS Command Injection
EUVDB-ID: #VU20459
Risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-7670
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to the application incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. A remote attacker can execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://www.applied-risk.com/resources/ar-2019-007
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. However, proof of concept for this vulnerability is available.
2) Arbitrary file upload
EUVDB-ID: #VU20462
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-7669
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to improper validation of file extensions when uploading files through the Python script upload. A remote authenticated attacker can upload python applications into directory within application’s web root and execute them with privileges of the web server.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://www.applied-risk.com/resources/ar-2019-007
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.
3) Cross-site request forgery
EUVDB-ID: #VU20463
Risk: Low
CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-7281
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://www.applied-risk.com/resources/ar-2019-007
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.
4) Small Space of Random Values
EUVDB-ID: #VU20464
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-7280
CWE-ID: N/A
Exploit availability: No
DescriptionInstall updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://www.applied-risk.com/resources/ar-2019-007
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.
5) Stored cross-site scripting
EUVDB-ID: #VU20466
Risk: Low
CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-7671
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: Yes
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to parameters sent to scripts are not properly sanitized before being returned to the user. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://applied-risk.com/resources/ar-2019-007
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. However, proof of concept for this vulnerability is available.
6) Exposure of Backup File to an Unauthorized Control Sphere
EUVDB-ID: #VU20472
Risk: High
CVSSv3.1: 7.3 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-7667
CWE-ID: N/A
Exploit availability: Yes
DescriptionInstall updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://www.applied-risk.com/resources/ar-2019-007
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. However, proof of concept for this vulnerability is available.
7) Improper Authentication
EUVDB-ID: #VU20480
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-7666
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the application allows improper authentication with the MD5 hash value of the password. A remote authenticated attacker can authenticate to the application without knowing the password of a specific username if previously obtained the database with all the MD5 hash passwords.
Mitigation
Install updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://www.applied-risk.com/resources/ar-2019-007
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. However, proof of concept for this vulnerability is available.
8) Use of hard-coded credentials
EUVDB-ID: #VU20481
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-7672
CWE-ID:
CWE-798 - Use of Hard-coded Credentials
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain full access to vulnerable system.
The vulnerability exists due to the flash version of the web interface contains a hard-coded username and password within the SWF file. A remote authenticated attacker can access the affected system using the hard-coded credentials and escalate privileges on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://applied-risk.com/resources/ar-2019-007
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.
9) Arbitrary file upload
EUVDB-ID: #VU20482
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-9189
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the application allows the upload of arbitrary Python scripts when configuring the main central controller. A remote authenticated administrator can immediately execute these scripts and gain full access to the target system.
Install updates from vendor's website.
Vulnerable software versionsFlexAir: 2.3.38
CPE2.3 External linkshttp://applied-risk.com/labs/advisories
http://applied-risk.com/resources/ar-2019-007
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. However, proof of concept for this vulnerability is available.
