CVE-2017-16944

7.5 HIGH
Published: November 25, 2017 Modified: May 13, 2026
View on NVD

Description

The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://openwall.com/lists/oss-security/2017/11/25/1
Source: cve@mitre.org
Mailing List
http://openwall.com/lists/oss-security/2017/11/25/2
Source: cve@mitre.org
Mailing List
http://openwall.com/lists/oss-security/2017/11/25/3
Source: cve@mitre.org
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/04/7
Source: cve@mitre.org
http://www.securitytracker.com/id/1039873
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://bugs.exim.org/show_bug.cgi?id=2201
Source: cve@mitre.org
Exploit Issue Tracking
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
Source: cve@mitre.org
Mailing List
https://www.debian.org/security/2017/dsa-4053
Source: cve@mitre.org
Third Party Advisory
https://www.exploit-db.com/exploits/43184/
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://openwall.com/lists/oss-security/2017/11/25/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://openwall.com/lists/oss-security/2017/11/25/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://openwall.com/lists/oss-security/2017/11/25/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/04/7
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1039873
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugs.exim.org/show_bug.cgi?id=2201
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
https://www.debian.org/security/2017/dsa-4053
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.exploit-db.com/exploits/43184/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
77.9%
99th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-835

Affected Vendors

debian exim

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