#VU103443 Out-of-bounds write in Moxa products - CVE-2024-7695

Vulnerability identifier: #VU103443

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U]

CVE-ID: CVE-2024-7695

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PT-7728
Hardware solutions / Routers & switches, VoIP, GSM, etc
PT-7828
Hardware solutions / Routers & switches, VoIP, GSM, etc
PT-G503
Hardware solutions / Routers & switches, VoIP, GSM, etc
PT-G510
Hardware solutions / Routers & switches, VoIP, GSM, etc
PT-G7728
Hardware solutions / Routers & switches, VoIP, GSM, etc
PT-G7828
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trigger an out-of-bounds write and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PT-7728: 3.9

PT-7828: 4.0

PT-G503: 5.3

PT-G510: 6.5

PT-G7728: 6.4

PT-G7828: 6.4

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External links
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-240162-cve-2024-7695-out-of-bounds-write-vulnerability-identified-in-multiple-pt-switches

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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.