#VU78549 Out-of-bounds write in Wireshark - CVE-2023-0667

Vulnerability identifier: #VU78549

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-2023-0667

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Wireshark
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Wireshark.org

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing MSMMS packets. A remote attacker can send specially crafted packets via the network trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Wireshark: 3.6.0 - 3.6.13, 4.0.0 - 4.0.5

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External links
https://gitlab.com/wireshark/wireshark/-/issues/19086
https://takeonme.org/cves/CVE-2023-0667.html

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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.