CVE-2019-10149: Exim Mail Transfer Agent (MTA) Improper Input Validation
Critical · CVSS 9.0 (CVSS 3.1)KEV known exploitedEPSS 100.0%, 100th percentilePublished Updated Assigner: redhat
In CISA’s Known Exploited Vulnerabilities catalog: Exim Mail Transfer Agent (MTA) Improper Input Validation.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H · CWE-78
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
exim: exim
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html (opens in new tab)
- packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html (opens in new tab)
- packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html (opens in new tab)
- packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html (opens in new tab)
- bugzilla.redhat.com/show_bug.cgi (opens in new tab)
- seclists.org/fulldisclosure/2019/Jun/16 (opens in new tab)
- seclists.org/bugtraq/2019/Jun/5 (opens in new tab)
- security.gentoo.org/glsa/201906-01 (opens in new tab)
- usn.ubuntu.com/4010-1/ (opens in new tab)
- www.debian.org/security/2019/dsa-4456 (opens in new tab)
- www.exim.org/static/doc/security/CVE-2019-10149.txt (opens in new tab)
- www.openwall.com/lists/oss-security/2019/06/05/2 (opens in new tab)
- www.openwall.com/lists/oss-security/2019/06/05/3 (opens in new tab)
- www.openwall.com/lists/oss-security/2019/06/05/4 (opens in new tab)
- www.openwall.com/lists/oss-security/2019/06/06/1 (opens in new tab)
- www.openwall.com/lists/oss-security/2019/07/25/6 (opens in new tab)
- www.openwall.com/lists/oss-security/2019/07/25/7 (opens in new tab)
- www.openwall.com/lists/oss-security/2019/07/26/4 (opens in new tab)
- www.openwall.com/lists/oss-security/2021/05/04/7 (opens in new tab)
- www.securityfocus.com/bid/108679 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)