CVE Vulnerability

CVE-2020-10957

In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://dovecot.org/security Vendor Advisory
https://www.openwall.com/lists/oss-security/2020/05/18/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/05/18/1 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/37 Exploit Third Party Advisory
http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html
https://www.debian.org/security/2020/dsa-4690
https://usn.ubuntu.com/4361-1/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VVUWHUUAFPC6XGIXYFIPTNBXLHPNM4W6/
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TTZN2VW55ZC2AQBGBJMLRJSZIKSB2NS6/
Configurations

Configuration 1

cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
Information

Published : 2020-05-18 02:15

Updated : 2020-05-28 04:15

NVD link : CVE-2020-10957

Mitre link : CVE-2020-10957

Products Affected
No products.
CWE
CWE-476