#VU74379 Buffer overflow in sniproxy - CVE-2023-25076

Vulnerability identifier: #VU74379

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-2023-25076

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
sniproxy
Other software / Other software solutions

Vendor: dlundquist (Dustin Lundquist)

Description

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

The vulnerability exists due to a boundary error when handling the wildcard backend hosts. A remote attacker can 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 updates from vendor's website.

Vulnerable software versions

sniproxy: 0.6.0-2

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External links
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1731
https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583

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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.