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CVE-2020-24386

Good to know:

Date: January 4, 2021

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).

Language: C

Severity Score

6.8

Related Resources (16)

Url: https://security.gentoo.org/glsa/202101-01

Url: https://dovecot.org/security

Url: http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html

Url: https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/

Url: http://www.openwall.com/lists/oss-security/2021/01/04/4

Url: https://doc.dovecot.org/configuration_manual/hibernation/

Url: http://seclists.org/fulldisclosure/2021/Jan/18

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/

Url: https://access.redhat.com/security/cve/CVE-2020-24386

Url: https://security-tracker.debian.org/tracker/CVE-2020-24386

Url: https://www.debian.org/security/2021/dsa-4825

Url: https://security.alpinelinux.org/vuln/CVE-2020-24386

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-24386

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-24386

Url: https://www.mend.io/vulnerability-database/CVE-2020-24386

Severity Score

6.8

CVSS v3.1

Base Score:	6.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	NONE

CVSS v2

Base Score:	4.9
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

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