CVE-2020-24386

An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).

CVSS v3.0 6.8 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.8^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:N

Exploitability : 6.8 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://dovecot.org/security	Vendor Advisory
https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/01/04/4	Mailing List Third Party Advisory
https://doc.dovecot.org/configuration_manual/hibernation/	Vendor Advisory
https://www.debian.org/security/2021/dsa-4825	Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jan/18	Mailing List Third Party Advisory
http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html	Mailing List Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/202101-01	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Information

Published : 2021-01-04 09:15

Updated : 2022-09-02 08:45

NVD link : CVE-2020-24386

Mitre link : CVE-2020-24386

JSON object : View

CWE

NVD-CWE-Other

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Products Affected

debian

debian_linux

dovecot

dovecot

fedoraproject

fedora

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