CVE-2017-16944

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2017-16944
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-11-25T17:29:00
  • Last Modified Date
  • 2021-05-04T18:15:08
Weakness Enumerations
CWE URL
CWE-835 http://cwe.mitre.org/data/definitions/835.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:exim:exim:4.88:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.89:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugs.exim.org/show_bug.cgi?id=2201 Exploit Issue Tracking
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html Mailing List
http://openwall.com/lists/oss-security/2017/11/25/3 Mailing List
http://openwall.com/lists/oss-security/2017/11/25/2 Mailing List
http://openwall.com/lists/oss-security/2017/11/25/1 Mailing List
http://www.securitytracker.com/id/1039873 Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/43184/ Third Party Advisory VDB Entry
https://www.debian.org/security/2017/dsa-4053 Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/04/7
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-16944
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16944
History
Created Old Value New Value Data Type Notes
2022-05-10 16:17:37 Added to TrackCVE
2022-12-02 23:27:16 2017-11-25T17:29Z 2017-11-25T17:29:00 CVE Published Date updated
2022-12-02 23:27:16 2021-05-04T18:15:08 CVE Modified Date updated
2022-12-02 23:27:16 Modified Vulnerability Status updated