Multiple vulnerabilities in EIP Stack Group OpENer

Published: 2020-12-03

Risk	High
Patch available	NO
Number of vulnerabilities	2
CVE-ID	CVE-2020-13530 CVE-2020-13556
CWE-ID	CWE-910 CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	OpENer Server applications / Other server solutions
Vendor	EIP Stack Group

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use of Expired File Descriptor

EUVDB-ID: #VU48768

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-13530

CWE-ID: CWE-910 - Use of Expired File Descriptor

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the Ethernet/IP server functionality. A remote attacker can send a specially crafted request and perform a denial of service (DoS) attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

OpENer: 2.3

External links

http://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1143

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) Out-of-bounds write

EUVDB-ID: #VU48769

Risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-13556

CWE-ID: CWE-787 - Out-of-bounds write