medium4.7Public exploit code
CVE-2020-8793
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 m…
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- OpenSMTPD 6.6.3 - Arbitrary File Read2020-02-26 · remote · linux
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Opensmtpd | Opensmtpd | before 6.6.4 |
| Fedoraproject | Fedora | Version 32 |
| Canonical | Ubuntu Linux | Versions 18.04, 19.10 |
Weakness classification
References
- NVD record
- CVE.org record
- 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%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
- https://usn.ubuntu.com/4294-1/
- https://www.openbsd.org/security.html
- 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%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
- https://usn.ubuntu.com/4294-1/
- https://www.openbsd.org/security.html