CVE-2020-8793

low-risk
Published 2020-02-25

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.

Do I need to act?

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0.79% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
48139
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (4)

Affected Vendors

Canonical Fedoraproject Opensmtpd

References (10)

Mailing List http://seclists.org/fulldisclosure/2020/Feb/28
Exploit http://www.openwall.com/lists/oss-security/2020/02/24/4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://usn.ubuntu.com/4294-1/
Third Party Advisory https://www.openbsd.org/security.html
Mailing List http://seclists.org/fulldisclosure/2020/Feb/28
Exploit http://www.openwall.com/lists/oss-security/2020/02/24/4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://usn.ubuntu.com/4294-1/
Third Party Advisory https://www.openbsd.org/security.html
25
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low-risk
Severity 12/34 · Low
Exploitability 3/34 · Minimal
Exposure 10/34 · Low