CVE-2017-16944

Impact:
Important
Public Date:
2017-11-24
CWE:
CWE-835
Bugzilla:
1517684: CVE-2017-16944 exim: infinite loop and stack exhaustion in receive_msg function via vectors involving BDAT commands

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2017-16944 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 exim Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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