Medium severity · published Feb 25, 2020
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 makemap.c and race…
4.7
CVSS
0.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
32 · source: NVD
OP
Opensmtpd · Opensmtpd
before 6.6.4 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 19.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8793
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8793
Mailing List
http://seclists.org/fulldisclosure/2020/Feb/28
Exploit
http://www.openwall.com/lists/oss-security/2020/02/24/4
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
Third Party Advisory
https://usn.ubuntu.com/4294-1/
Third Party Advisory
https://www.openbsd.org/security.html
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