CRITICAL🚩 CISA KEV⚡ EXPLOIT🇵🇱 Wersja polska

CVE-2018-6789

CVSS 9.8v3.1pub. 2018-02-08upd. 2025-11-07

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.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Canonical Ubuntu

    OS
    Canonical
    14.0416.0417.10

  • Debian

    OS
    Debian
    7.08.09.0

  • Exim

    APP
    Exim
    < 4.90.1

CISA KEV — detailsi

Vendori
Exim
Producti
Exim
Added to KEVi
November 3, 2021
Remediation deadline (US Federal)i
May 3, 2022(overdue)
Ransomwarei
Active ransomware campaigns exploit this vulnerability
Required action (CISA)i

Apply updates per vendor instructions.

CISA descriptioni

Exim contains a buffer overflow vulnerability in the base64d function part of the SMTP listener that may allow for remote code execution.

🔴
IMMEDIATE ACTION
Actively exploited in the wild (CISA KEV). Patch immediately.
☠️WYKORZYSTYWANE W RANSOMWARE⏰CISA DEADLINE: 3 maja 2022
Tags
Memory
CWE
References

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