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Vulnerability Change Records for CVE-2023-42118

Change History

New CVE Received from Zero Day Initiative 5/02/2024 11:15:50 PM

Action Type Old Value New Value
Added Description

								
							
							
						
Exim libspf2 Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Exim libspf2. Authentication is not required to exploit this vulnerability. 

The specific flaw exists within the parsing of SPF macros. When parsing SPF macros, the process does not properly validate user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-17578.
Added CVSS V3

								
							
							
						
Zero Day Initiative AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Added CWE

								
							
							
						
Zero Day Initiative CWE-191
Added Reference

								
							
							
						
Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-23-1472/ [No types assigned]