Multiple vulnerabilities in Delta Electronics DOPSoft

Published: 2021-07-02

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-27455 CVE-2021-27412
CWE-ID	CWE-125 CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Delta Industrial Automation DOPSoft Client/Desktop applications / Other client software
Vendor	Delta Electronics, Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU54506

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27455

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote authenticated attacker can create a specially crafted project file, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Delta Industrial Automation DOPSoft: 4.0.10.17

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-182-03
http://downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&CID=06&itemID=060302&dataType=8&sort_expr=cdate&sort_dir=DESC

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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: #VU54507

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27412

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