CVE-2019-10149

Exim Mail Transfer Agent (MTA) Improper Input Validation

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

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.

Se descubrió un defecto Exim versiones 4.87 a la 4.91 (incluida). Una validación incorrecta de la dirección del recipiente en la función deliver_message() en /src/deliver.c puede llevar a ejecutar comandos remotos

The Qualys Research Labs reported a flaw in Exim, a mail transport agent. Improper validation of the recipient address in the deliver_message() function may result in the execution of arbitrary commands.

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

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2019-03-27 CVE Reserved
2019-06-05 CVE Published
2019-06-05 First Exploit
2022-01-10 Exploited in Wild
2022-07-10 KEV Due Date
2025-02-07 CVE Updated
2025-03-18 EPSS Updated

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (41)

URL	Tag	Source
http://seclists.org/fulldisclosure/2019/Jun/16	Mailing List
http://www.openwall.com/lists/oss-security/2019/06/05/2	Mailing List
http://www.openwall.com/lists/oss-security/2019/07/25/6	Mailing List
http://www.openwall.com/lists/oss-security/2019/07/25/7	Mailing List
http://www.openwall.com/lists/oss-security/2019/07/26/4	Mailing List
http://www.openwall.com/lists/oss-security/2021/05/04/7	Mailing List
http://www.securityfocus.com/bid/108679	Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149	Issue Tracking
https://seclists.org/bugtraq/2019/Jun/5	Mailing List

URL	Date	SRC
https://packetstorm.news/files/id/154198	2019-08-23
https://packetstorm.news/files/id/153312	2019-06-17
https://www.exploit-db.com/exploits/46996	2019-06-17
https://www.exploit-db.com/exploits/47307	2019-08-26
https://www.exploit-db.com/exploits/46974	2019-06-05
https://github.com/cowbe0x004/eximrce-CVE-2019-10149	2019-07-08
https://github.com/Diefunction/CVE-2019-10149	2021-06-04
https://github.com/AzizMea/CVE-2019-10149-privilege-escalation	2019-06-27
https://github.com/darsigovrustam/CVE-2019-10149	2019-10-24
https://github.com/aishee/CVE-2019-10149-quick	2019-06-14
https://github.com/hyim0810/CVE-2019-10149	2023-10-25
https://github.com/Stick-U235/CVE-2019-10149-Exploit	2021-07-29
https://github.com/Dilshan-Eranda/CVE-2019-10149	2020-05-12
https://github.com/rahmadsandy/EXIM-4.87-CVE-2019-10149	2023-03-07
https://github.com/bananaphones/exim-rce-quickfix	2024-08-12
https://github.com/MNEMO-CERT/PoC--CVE-2019-10149_Exim	2024-08-12
https://github.com/Brets0150/StickyExim	2024-08-12
https://github.com/Chris-dev1/exim.exp	2024-08-12
https://github.com/cloudflare/exim-cve-2019-10149-data	2024-09-20
https://github.com/qlusec/CVE-2019-10149	2024-09-06
https://github.com/uyerr/PoC_CVE-2019-10149--rce	2024-11-24
http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html	2025-02-07
http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html	2025-02-07
http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html	2025-02-07
http://www.openwall.com/lists/oss-security/2019/06/05/4	2025-02-07
http://www.openwall.com/lists/oss-security/2019/06/06/1	2025-02-07

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2019/06/05/3	2022-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html	2022-11-07
https://security.gentoo.org/glsa/201906-01	2022-11-07
https://usn.ubuntu.com/4010-1	2022-11-07
https://www.debian.org/security/2019/dsa-4456	2022-11-07
https://www.exim.org/static/doc/security/CVE-2019-10149.txt	2022-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				>= 4.87 <= 4.91 Search vendor "Exim" for product "Exim" and version " >= 4.87 <= 4.91"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected