Vulnerability CVE-2020-8793
Published: 2020-02-25

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.

Type:

CWE-367

 (Time-of-check Time-of-use (TOCTOU) Race Condition)

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.7/10
6.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
None
None
Affected software
Opensmtpd -> Opensmtpd 

 References:
http://seclists.org/fulldisclosure/2020/Feb/28
http://www.openwall.com/lists/oss-security/2020/02/24/4
https://www.openbsd.org/security.html
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