7.5

CVE-2020-12100

Exploit
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Dovecot ≫ Dovecot Version < 2.3.11.3
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
Fedoraproject ≫ Fedora Version 31
Fedoraproject ≫ Fedora Version 32
Fedoraproject ≫ Fedora Version 33
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.22% 0.914
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-674 Uncontrolled Recursion

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

https://dovecot.org/security
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
http://seclists.org/fulldisclosure/2021/Jan/18
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2020/08/12/1
Third Party Advisory
Exploit
Mailing List
http://www.openwall.com/lists/oss-security/2021/01/04/3
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html
Third Party Advisory
Mailing List
https://security.gentoo.org/glsa/202009-02
Third Party Advisory
https://usn.ubuntu.com/4456-1/
Third Party Advisory
https://usn.ubuntu.com/4456-2/
Third Party Advisory
https://www.debian.org/security/2020/dsa-4745
Third Party Advisory