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{"bugzilla": {"description": "libspf2: Integer Underflow Remote Code Execution Vulnerability", "id": "2241535", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241535"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["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. \nThe 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.\n. Was ZDI-CAN-17578.", "An integer underflow flaw was discovered in libspf2 library which 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. This vulnerability allows network-adjacent unprivileged attackers to execute code in the context of the service account."], "name": "CVE-2023-42118", "public_date": "2023-09-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-42118"], "statement": "The vulnerable package libspf2 is not shipped in any Red Hat products.", "threat_severity": "Important"}