Multiple vulnerabilities in Moxa VPort Series



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2022-38157
CVE-2022-38158
CVE-2022-38159
CWE-ID CWE-134
CWE-119
CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 VPort P16-1MP-M12
Hardware solutions / Routers & switches, VoIP, GSM, etc

VPort P16-1MP-M12-IR
Hardware solutions / Routers & switches, VoIP, GSM, etc

VPort P06-1MP-M12
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Moxa

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Format string error

EUVDB-ID: #VU69304

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-38157

CWE-ID: CWE-134 - Use of Externally-Controlled Format String

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a format string error in the RTSP service. A remote attacker can supply a specially crafted input that contains format string specifiers and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VPort P16-1MP-M12: 1.3

VPort P16-1MP-M12-IR: 1.4

VPort P06-1MP-M12: 2.6

CPE2.3 External links

https://www.moxa.com/en/support/product-support/security-advisory/moxa-vport-series-improper-input-validation-vulnerability


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 device 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) Buffer overflow

EUVDB-ID: #VU69305

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-38158

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the RTSP service. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VPort P16-1MP-M12: 1.3

VPort P16-1MP-M12-IR: 1.4

VPort P06-1MP-M12: 2.6

CPE2.3 External links

https://www.moxa.com/en/support/product-support/security-advisory/moxa-vport-series-improper-input-validation-vulnerability


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 device 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) NULL pointer dereference

EUVDB-ID: #VU69306

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-38159

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the RTSP service. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VPort P16-1MP-M12: 1.3

VPort P16-1MP-M12-IR: 1.4

VPort P06-1MP-M12: 2.6

CPE2.3 External links

https://www.moxa.com/en/support/product-support/security-advisory/moxa-vport-series-improper-input-validation-vulnerability


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 device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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