CVEvulnerability

CVE-2019-10149

9.8 CRITICAL Known exploited Published 2019-06-05 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Exim Mail Transfer Agent (MTA) Improper Input Validation — Exim Mail Transfer Agent (MTA)

Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.

Added to KEV: 2022-01-10
Remediation due: 2022-07-10
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2019-10149

Status: Analyzed
Published: 2019-06-05
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0 ([email protected]): 9.0 CRITICAL — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
Weaknesses: CWE-78

Description

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.

Affected configurations

• exim exim (>= 4.87 <= 4.91) • canonical ubuntu linux 18.04 • canonical ubuntu linux 18.10 • debian debian linux 9.0

Related

Weakness · CWE (1)

CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References

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