CVE-2019-10149

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.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - secalert@redhat.com

Published

2019-06-05

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2022-01-10, action due 2022-07-10: Apply updates per vendor instructions.

Weaknesses

CWE-78

Affected products

• Ubuntu Linux (Canonical)
• Debian Linux (Debian)
• Exim (Exim)

References

• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html
• http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html
• http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html
• http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html
• http://seclists.org/fulldisclosure/2019/Jun/16
• http://www.openwall.com/lists/oss-security/2019/06/05/2
• http://www.openwall.com/lists/oss-security/2019/06/05/3
• http://www.openwall.com/lists/oss-security/2019/06/05/4
• http://www.openwall.com/lists/oss-security/2019/06/06/1
• http://www.openwall.com/lists/oss-security/2019/07/25/6
• http://www.openwall.com/lists/oss-security/2019/07/25/7
• http://www.openwall.com/lists/oss-security/2019/07/26/4
• http://www.openwall.com/lists/oss-security/2021/05/04/7
• http://www.securityfocus.com/bid/108679
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149
• https://seclists.org/bugtraq/2019/Jun/5
• https://security.gentoo.org/glsa/201906-01
• https://usn.ubuntu.com/4010-1/
• https://www.debian.org/security/2019/dsa-4456
• https://www.exim.org/static/doc/security/CVE-2019-10149.txt
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10149