Test ID:	1.3.6.1.4.1.25623.1.0.108367
Category:	SMTP problems
Title:	Exim < 4.90.1 RCE Vulnerability - Version Check
Summary:	Exim is prone to a remote code execution (RCE) vulnerability.
Description:	Summary: Exim is prone to a remote code execution (RCE) vulnerability. Vulnerability Insight: Exim is prone to an overflow vulnerability in the base64 decode function. The flaw exists due to a calculation mistake of decode buffer length in the b64decode function. Vulnerability Impact: A remote attacker may execute arbitrary commands or conduct a denial of service attack. Affected Software/OS: Exim versions before 4.90.1. Solution: Update to version 4.90.1 or later. CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2018-6789 BugTraq ID: 103049 http://www.securityfocus.com/bid/103049 Debian Security Information: DSA-4110 (Google Search) https://www.debian.org/security/2018/dsa-4110 https://www.exploit-db.com/exploits/44571/ https://www.exploit-db.com/exploits/45671/ http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/ https://lists.debian.org/debian-lts-announce/2018/02/msg00009.html http://www.openwall.com/lists/oss-security/2018/02/07/2 http://www.securitytracker.com/id/1040461 https://usn.ubuntu.com/3565-1/
Copyright	Copyright (C) 2018 Greenbone AG

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