// For flags

CVE-2017-15130

Debian Security Advisory 4130-1

Severity Score

5.9
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se ha descubierto un error de denegación de servicio (DoS) en dovecot en versiones anteriores a la 2.2.34. Un atacante que pueda generar nombres aleatorios del servidor SNI podría explotar las búsquedas de configuración TLS SNI, lo que conduce a un uso excesivo de memoria y al reinicio del proceso.

It was discovered that Dovecot incorrectly handled parsing certain email addresses. A remote attacker could use this issue to cause Dovecot to crash, resulting in a denial of service, or possibly obtain sensitive information. It was discovered that Dovecot incorrectly handled TLS SNI config lookups. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service. Various other issues were also addressed.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-10-08 CVE Reserved
  • 2018-03-02 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-12-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Dovecot
Search vendor "Dovecot"
Dovecot
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< 2.2.34
Search vendor "Dovecot" for product "Dovecot" and version " < 2.2.34"
-
Affected
Debian
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Debian Linux
Search vendor "Debian" for product "Debian Linux"
8.0
Search vendor "Debian" for product "Debian Linux" and version "8.0"
-
Affected
Debian
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Debian Linux
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9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Canonical
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Ubuntu Linux
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14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
17.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "17.10"
-
Affected