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Test ID:
Category:SMTP problems
Title:Exim < 4.90.1 RCE Vulnerability (Version Check)
Summary:Exim is prone to a remote code execution vulnerability.
Exim is prone to a remote code execution 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.

Update to version 4.90.1 or later.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-6789
BugTraq ID: 103049
Debian Security Information: DSA-4110 (Google Search)
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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