Vulnerability Details CVE-2018-6789
An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.721
EPSS Ranking 98.6%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Proposed Action
Exim contains a buffer overflow vulnerability in the base64d function part of the SMTP listener that may allow for remote code execution.
Ransomware Campaign
Known
Products affected by CVE-2018-6789
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cpe:2.3:a:exim:exim:4.80.1
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cpe:2.3:a:exim:exim:4.82.1
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cpe:2.3:a:exim:exim:4.84.2
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cpe:2.3:a:exim:exim:4.85.1
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cpe:2.3:a:exim:exim:4.85.2
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cpe:2.3:a:exim:exim:4.86.1
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cpe:2.3:a:exim:exim:4.86.2
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cpe:2.3:a:exim:exim:4.87.1
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cpe:2.3:a:exim:exim:4.89.1
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cpe:2.3:a:exim:exim:4.90.0.22
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cpe:2.3:a:exim:exim:4.90.0.27
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:17.10
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cpe:2.3:o:debian:debian_linux:7.0
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0