CVE-2020-12673

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2020-12673
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-08-12T16:15:11
  • Last Modified Date
  • 2023-02-03T02:22:31
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* 1 OR 2.3.11.3
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://dovecot.org/security Vendor Advisory
https://www.openwall.com/lists/oss-security/2020/08/12/2 Exploit Mailing List Third Party Advisory
https://www.debian.org/security/2020/dsa-4745 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html Third Party Advisory
https://usn.ubuntu.com/4456-1/ Third Party Advisory
https://usn.ubuntu.com/4456-2/
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
https://security.gentoo.org/glsa/202009-02
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-12673
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12673
History
Created Old Value New Value Data Type Notes
2022-05-10 17:09:02 Added to TrackCVE
2022-12-04 20:52:40 2020-08-12T16:15Z 2020-08-12T16:15:11 CVE Published Date updated
2022-12-04 20:52:40 2020-10-13T22:15:13 CVE Modified Date updated
2022-12-04 20:52:40 Undergoing Analysis Vulnerability Status updated
2023-02-03 04:10:14 2023-02-03T02:22:31 CVE Modified Date updated
2023-02-03 04:10:14 Undergoing Analysis Analyzed Vulnerability Status updated