Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opensmtpd | Opensmtpd | < 6.6.4 |
| Fedoraproject | Fedora | 32 |
| Canonical | Ubuntu Linux | 18.04 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2020/Feb/28Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/02/24/4ExploitMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/4294-1/Third Party Advisory
- https://www.openbsd.org/security.htmlThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Feb/28Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/02/24/4ExploitMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/4294-1/Third Party Advisory
- https://www.openbsd.org/security.htmlThird Party Advisory
FAQ
What is CVE-2020-8793?
CVE-2020-8793 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 offli...
How severe is CVE-2020-8793?
CVE-2020-8793 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-8793?
Check the references section above for vendor advisories and patch information. Affected products include: Opensmtpd Opensmtpd, Fedoraproject Fedora, Canonical Ubuntu Linux.