CVE-2020-8793 Information

Description

OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g. on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.

CVSS Vector

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

Reference

http://seclists.org/fulldisclosure/2020/Feb/28 http://www.openwall.com/lists/oss-security/2020/02/24/4 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/ https://usn.ubuntu.com/4294-1/ https://www.openbsd.org/security.html

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.7