Denial of service in Moxa EDR-G903, EDR-G902 and EDR-810



Published: 2020-11-03
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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EDR-G903 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc

EDR-G902 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc

Moxa EDR-810
Server applications / SCADA systems

Vendor Moxa

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU48107

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

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. A remote attacker can send a specially crafted request, trigger memory corruption and cause a denial of service condition on the target system.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

EDR-G903 Series: 5.0 - 5.5

EDR-G902 Series: 5.0 - 5.5

Moxa EDR-810: 5.0 - 5.6

External links

http://www.moxa.com/en/support/support/security-advisory/edr-g903-g902-810-secure-router-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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