CVE-2020-10967

In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/

Configurations

Configuration 1 (hide)

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

Information

Published : 2020-05-18 15:15

Updated : 2020-10-13 22:15

NVD link : CVE-2020-10967

Mitre link : CVE-2020-10967

JSON object : View

Products Affected

dovecot

dovecot

CWE

CWE-20

Improper Input Validation

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