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CVE
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CVE-2017-15130Date: (C)2018-03-08   (M)2023-12-22


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 Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.9CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
DSA-4130
USN-3587-1
USN-3587-2
https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
https://www.dovecot.org/list/dovecot-news/2018-February/000370.html
http://seclists.org/oss-sec/2018/q1/205
https://bugzilla.redhat.com/show_bug.cgi?id=1532356

CPE    5
cpe:/o:debian:debian_linux:9.0
cpe:/a:dovecot:dovecot
cpe:/o:debian:debian_linux:8.0
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
...
OVAL    7
oval:org.secpod.oval:def:70605
oval:org.secpod.oval:def:89002302
oval:org.secpod.oval:def:89002335
oval:org.secpod.oval:def:704003
...

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