Multiple vulnerabilities in Moxa OnCell Central Manager
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2019-15696 CVE-2019-15697 |
| CWE-ID | CWE-502 CWE-611 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
OnCell Central Manager Client/Desktop applications / Other client software |
| Vendor | Moxa |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Deserialization of Untrusted Data
EUVDB-ID: #VU26094
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-15696
CWE-ID:
CWE-502 - Deserialization of Untrusted Data
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insecure input validation when processing serialized data with usage of the vulnerable third-party component (Apache Flex BlazeDS). A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versionsOnCell Central Manager: before 2.4.1
External linkshttp://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/03/16/klcert-20-001-remote-code-execution-on-moxas-cellular-management-software-oncell-central-manager-version-lower-than-2-4-1
http://www.moxa.com/en/support/support/security-advisory/oncell-central-manager-cellular-management...
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) XML External Entity injection
EUVDB-ID: #VU26095
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-15697
CWE-ID:
CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input when using the vulnerable third-party component (Apache Flex BlazeDS). A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOnCell Central Manager: before 2.4.1
External linkshttp://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/03/16/klcert-20-002-xxe-on-moxas-cellular-management-software-oncell-central-manager-version-lower-than-2-4-1
http://www.moxa.com/en/support/support/security-advisory/oncell-central-manager-cellular-management...
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.
