Medium severity · published Mar 2, 2018
CVE-2017-15130
A denial of service flaw was found in dovecot before 2.2.34
5.9
CVSS
2.6%
EPSS
No
On KEV
Description
A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
DO
Dovecot · Dovecot
before 2.2.34 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15130
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15130
Mailing List
http://seclists.org/oss-sec/2018/q1/205
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1532356
lists.debian.org
https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
Third Party Advisory
https://usn.ubuntu.com/3587-1/
usn.ubuntu.com
https://usn.ubuntu.com/3587-2/
Third Party Advisory
https://www.debian.org/security/2018/dsa-4130
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