CVE-2020-8793

Public Exploit

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.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.81% Top 30%
Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openbsd.org/security.html third party advisory
http://www.openwall.com/lists/oss-security/2020/02/24/4 mailing list third party advisory exploit
http://seclists.org/fulldisclosure/2020/Feb/28 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/ vendor advisory
https://usn.ubuntu.com/4294-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-8793?
CVE-2020-8793 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8793?
To fix CVE-2020-8793, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8793 being actively exploited in the wild?
It is possible that CVE-2020-8793 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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