CVE-2020-10967
dovecot: sending mail with empty quoted localpart leads to DoS
Severity Score
5.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
En Dovecot versiones anteriores a 2.3.10.1, los atacantes remotos no autenticados pueden bloquear el proceso lmtp o submission mediante el envío de un correo con un localpart vacío.
Open-Xchange Dovecot versions 2.3.0 through 2.3.10 suffer from null pointer dereference and denial of service vulnerabilities.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-03-26 CVE Reserved
- 2020-05-18 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- 2024-09-11 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-20: Improper Input Validation
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (15)
URL | Tag | Source |
---|---|---|
http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html | X_refsource_misc | |
http://www.openwall.com/lists/oss-security/2020/05/18/1 | Mailing List | |
https://www.openwall.com/lists/oss-security/2020/05/18/1 | Mailing List |
URL | Date | SRC |
---|---|---|
http://seclists.org/fulldisclosure/2020/May/37 | 2024-08-04 |
URL | Date | SRC |
---|
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 Search vendor "Dovecot" for product "Dovecot" | < 2.3.10.1 Search vendor "Dovecot" for product "Dovecot" and version " < 2.3.10.1" | - |
Affected
|