Buffer overflow in UnrealIRCd - CVE-2023-50784

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Main Vulnerability Database Vulnerabilities #VU84513

Buffer overflow in UnrealIRCd - CVE-2023-50784

Published: December 18, 2023


Vulnerability identifier: #VU84513
CSH Severity: High
CVSSv4.0: 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-2023-50784
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
UnrealIRCd
Software vendor:
Unrealircd.com

Description

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

The vulnerability exists due to a boundary error when processing packets. A remote attacker can send a overly large packets to the websockets, trigger memory corruption and execute arbitrary code on the target system.

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


Remediation

Install updates from vendor's website.

External links