CVE-2020-24386

· MEDIUMModified

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CVSS v3.1

6.8

EPSS

2.75%

Published

Jan 4, 2021

Modified

Nov 21, 2024

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

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 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Products (3)

dovecot · dovecot (up to 2.3.13)vulnerable

debian · debian_linuxvulnerable

fedoraproject · fedoravulnerable

References (18)

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

Mailing ListThird Party AdvisoryVDB Entry

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

Mailing ListThird Party Advisory

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

Mailing ListThird Party Advisory

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

Vendor Advisory

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

Mailing ListVendor Advisory

https://dovecot.org/security

Vendor Advisory

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

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

Third Party Advisory

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

Third Party Advisory

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

Mailing ListThird Party AdvisoryVDB Entry

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

Mailing ListThird Party Advisory

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

Mailing ListThird Party Advisory

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

Vendor Advisory

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

Mailing ListVendor Advisory

https://dovecot.org/security

Vendor Advisory

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

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

Third Party Advisory

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

Third Party Advisory

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