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CVE-2018-6789

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1.

Published
Last modified
published
Listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

The Exim mail transfer agent, an email server software, is affected by this vulnerability in its SMTP listener. A specially crafted email message can trigger a buffer overflow, which could allow an attacker to run arbitrary code on the affected server remotely.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

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.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a n/a

    Version range not reported

References 13

exim.org

openwall.com

usn.ubuntu.com

securitytracker.com

debian.org

Exploit-DB

lists.debian.org

git.exim.org

devco.re

securityfocus.com

packetstormsecurity.com