Multiple vulnerabilities in Delta Electronics DIAScreen



Published: 2021-07-28 | Updated: 2022-01-11
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-32965
CVE-2021-32969
CWE-ID CWE-843
CWE-787
Exploitation vector Network
Public exploit N/A
Vulnerable software
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DIAScreen
Server applications / Other server solutions

Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Type Confusion

EUVDB-ID: #VU55383

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-2021-32965

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error. A remote attacker can pass specially crafted data to the application, trigger a type confusion error 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 versions

DIAScreen: before 1.1.0

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-208-05
http://www.zerodayinitiative.com/advisories/ZDI-22-025/
http://www.zerodayinitiative.com/advisories/ZDI-22-026/
http://www.zerodayinitiative.com/advisories/ZDI-22-027/


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: #VU55384

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-2021-32969

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing XLS files. A remote attacker can trick the victim to open a specially crafted XLS file, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

DIAScreen: before 1.1.0

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-208-05
http://www.zerodayinitiative.com/advisories/ZDI-22-023/
http://www.zerodayinitiative.com/advisories/ZDI-22-024/


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.



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