A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCanonical Ubuntu
OSCanonical18.0418.10Debian
OSDebian9.0Exim
APPExim4.87 – 4.91
CISA KEV — detailsi
- Vendori
- Exim
- Producti
- Mail Transfer Agent (MTA)
- Added to KEVi
- January 10, 2022
- Remediation deadline (US Federal)i
- July 10, 2022(overdue)
Required action (CISA)i
Apply updates per vendor instructions.
CISA descriptioni
Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
🔴
IMMEDIATE ACTION
Actively exploited in the wild (CISA KEV). Patch immediately.
⏰CISA DEADLINE: 10 lipca 2022
Tags
Command Injection
References
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