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CVE-2017-16944

nvd nist
Published: Nov 25, 2017Modified: May 13, 2026

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7.5
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: 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.

Affected (3)

Products: Exim: Exim · Debian: Debian Linux
Exim
1 product
Exim
Debian
1 product
Debian Linux
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Exim
Exim
Version 4.88
Exim
Version 4.89
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 9.0

Related CWEs

CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

References (18)

Source: cve@mitre.org
Mailing List
Source: cve@mitre.org
Mailing List
Source: cve@mitre.org
Mailing List
Source: cve@mitre.org
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
ExploitIssue Tracking
Source: cve@mitre.org
Mailing List
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry

Timeline

No history available yet.