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Status published
Critical
CVE-2017-16943
The receive_msg function in receive.c in the SMTP daemon in...
Vulnerability Description
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securitytracker.com/id/1039872
- https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
- https://git.exim.org/exim.git/commit/4090d62a4b25782129cc1643596dc2f6e8f63bde
- http://openwall.com/lists/oss-security/2017/11/25/3
- https://github.com/LetUsFsck/PoC-Exploit-Mirror/tree/master/CVE-2017-16944
- http://openwall.com/lists/oss-security/2017/11/25/1
- https://git.exim.org/exim.git/commitdiff/4e6ae6235c68de243b1c2419027472d7659aa2b4
- http://openwall.com/lists/oss-security/2017/11/25/2
- https://www.debian.org/security/2017/dsa-4053
- https://bugs.exim.org/show_bug.cgi?id=2199
- http://www.openwall.com/lists/oss-security/2021/05/04/7
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Affected Vendor
exim
View all reports →Affected Software
exim, debian linux
Vulnerable Versions:
4.88, 4.89, 9.0
Timeline
Official Publish:
November 25th, 2017
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.