CVEvulnerability
CVE-2017-16944
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-11-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-835
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 configurations
• exim exim 4.88
• exim exim 4.89
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- http://openwall.com/lists/oss-security/2017/11/25/1 Mailing List
- http://openwall.com/lists/oss-security/2017/11/25/2 Mailing List
- http://openwall.com/lists/oss-security/2017/11/25/3 Mailing List
- http://www.openwall.com/lists/oss-security/2021/05/04/7 www.openwall.com
- http://www.securitytracker.com/id/1039873 Third Party Advisory, VDB Entry
- 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
- https://www.debian.org/security/2017/dsa-4053 Third Party Advisory
- https://www.exploit-db.com/exploits/43184/ Third Party Advisory, VDB Entry
- http://openwall.com/lists/oss-security/2017/11/25/1 Mailing List
- http://openwall.com/lists/oss-security/2017/11/25/2 Mailing List
- http://openwall.com/lists/oss-security/2017/11/25/3 Mailing List
- http://www.openwall.com/lists/oss-security/2021/05/04/7 www.openwall.com
- http://www.securitytracker.com/id/1039873 Third Party Advisory, VDB Entry
- 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
- https://www.debian.org/security/2017/dsa-4053 Third Party Advisory
- https://www.exploit-db.com/exploits/43184/ Third Party Advisory, VDB Entry