Multiple vulnerabilities in Siemens SCALANCE W1750D



Published: 2021-05-14
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-5319
CVE-2019-5317
CWE-ID CWE-119
CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SCALANCE W1750D
Hardware solutions / Firmware

Vendor Siemens

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU53247

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5319

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error. A remote attacker can send a specially crafted packet, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SCALANCE W1750D: before 8.7.0

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-131-14
http://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdf


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) Improper Authentication

EUVDB-ID: #VU53246

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5317

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. An attacker with physical access can bypass authentication mechanisms and gain access to the Aruba Instant command line interface.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SCALANCE W1750D: before 8.7.0

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-131-14
http://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdf


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully 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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