CVE-2020-10958

In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.

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/

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Configurations

Configuration 1 (hide)

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

Information

Published : 2020-05-18 07:15

Updated : 2020-05-27 21:15

NVD link : CVE-2020-10958

Mitre link : CVE-2020-10958

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

dovecot

dovecot

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