Vulnerability Details : 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.
At least one public exploit which can be used to exploit this vulnerability exists!
CVE-2019-10149
is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Exim Mail Transfer Agent (MTA) Improper Input Validation
CISA required action:
Apply updates per vendor instructions.
CISA description:
Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
Added on
2022-01-10
Action due date
2022-07-10
Exploit prediction scoring system (EPSS) score for CVE-2019-10149
Probability of exploitation activity in the next 30 days: 97.44%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ
Metasploit modules for CVE-2019-10149
-
Exim 4.87 - 4.91 Local Privilege Escalation
Disclosure Date : 2019-06-05exploit/linux/local/exim4_deliver_message_priv_escThis module exploits a flaw 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 command execution with root privileges (CVE-2019-10149).
CVSS scores for CVE-2019-10149
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
[email protected] |
|
9.0
|
CRITICAL | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
2.2
|
6.0
|
[email protected] |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
[email protected] |
CWE ids for CVE-2019-10149
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by:
- [email protected] (Primary)
- [email protected] (Secondary)
References for CVE-2019-10149
-
https://security.gentoo.org/glsa/201906-01
Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2019/06/05/3
Mailing List;Patch;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149
Issue Tracking;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/2019/07/25/7
Mailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2019/06/05/4
Exploit;Mailing List
-
http://www.openwall.com/lists/oss-security/2021/05/04/7
Mailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html
Mailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2019/07/25/6
Mailing List;Third Party Advisory
-
http://seclists.org/fulldisclosure/2019/Jun/16
Mailing List;Third Party Advisory
-
http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html
Exploit;Third Party Advisory;VDB Entry
-
https://seclists.org/bugtraq/2019/Jun/5
Mailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2019/06/06/1
Exploit;Mailing List;Third Party Advisory
-
https://www.debian.org/security/2019/dsa-4456
Third Party Advisory
-
https://usn.ubuntu.com/4010-1/
Third Party Advisory
-
http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html
Exploit;Third Party Advisory;VDB Entry
-
https://www.exim.org/static/doc/security/CVE-2019-10149.txt
Vendor Advisory
-
http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html
Exploit;Third Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/108679
Broken Link;Third Party Advisory;VDB Entry
-
http://www.openwall.com/lists/oss-security/2019/06/05/2
Mailing List;Third Party Advisory
Products affected by CVE-2019-10149
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*