#VU82042 Heap-based buffer overflow in YF325 - CVE-2023-35968

Vulnerability identifier: #VU82042

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-35968

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
YF325
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Xiamen Yifan Communication Technology

Description

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

The vulnerability exists due to a boundary error within the realloc function in the gwcfg_cgi_set_manage_post_data functionality. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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

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

Vulnerable software versions

YF325: 1.0_20221108

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External links
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1788

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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.