Critical severity · published Jun 5, 2019
CVE-2019-10149
Exim Mail Transfer Agent (MTA) Improper Input Validation
In wildKEV
9.8
CVSS
100%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)100.0% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Jan 10, 2022
Federal remediation dueJul 10, 2022
Ransomware campaign useNot known
Affected products
Which versions
EX
exim · exim
4.92 · source: vendor, NVD
DL
Debian Linux · Debian
9.0 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 18.10 · source: NVD
MT
Mail Transfer Agent (MTA) · Exim
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-10149
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-10149
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
mailing-list
http://www.openwall.com/lists/oss-security/2019/06/05/2
vendor-advisory
https://usn.ubuntu.com/4010-1/
mailing-list
http://www.openwall.com/lists/oss-security/2019/06/05/3
mailing-list
http://www.openwall.com/lists/oss-security/2019/06/05/4
vendor-advisory
https://www.debian.org/security/2019/dsa-4456
mailing-list
https://seclists.org/bugtraq/2019/Jun/5
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