CVE-2020-12673

· HIGHModified

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CVSS v3.1

7.5

EPSS

6.19%

Published

Aug 12, 2020

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

In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read.

CVSS Vector

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

Weaknesses (CWE)

CWE-125

Affected Products (10)

dovecot · dovecot (up to 2.3.11.3)vulnerable

debian · debian_linuxvulnerable

canonical · ubuntu_linuxvulnerable

fedoraproject · fedoravulnerable

References (20)

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html

Broken Link

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html

Broken Link

https://dovecot.org/security

Vendor Advisory

https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html

Third Party 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/

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

https://www.openwall.com/lists/oss-security/2020/08/12/2

ExploitMailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html

Broken Link

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html

Broken Link

https://dovecot.org/security

Vendor Advisory

https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html

Third Party 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/

https://security.gentoo.org/glsa/202009-02

Third Party Advisory

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