CVEvulnerability
CVE-2020-12673
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-08-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-125
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.
Affected configurations
• dovecot dovecot (< 2.3.11.3)
• debian debian linux 9.0
• debian debian linux 10.0
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
• fedoraproject fedora 31
• fedoraproject fedora 32
• fedoraproject fedora 33
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- 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/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/ lists.fedoraproject.org
- 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 Exploit, Mailing List, Third 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/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/ lists.fedoraproject.org
- 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 Exploit, Mailing List, Third Party Advisory