Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 conditions in the offline functionality in smtpd.c.

Published

2020-02-25T17:15:13.103

Last Modified

2024-11-21T05:39:26.980

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:N/A:N

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.4

Impact Score

6.9

Weaknesses

Type: Primary
CWE-367
CWE-426

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	opensmtpd	opensmtpd	< 6.6.4	Yes
Operating System	fedoraproject	fedora	32	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	19.10	Yes

References

http://seclists.org/fulldisclosure/2020/Feb/28 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2020/02/24/4 Exploit, Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/ ([email protected])
https://usn.ubuntu.com/4294-1/ Third Party Advisory ([email protected])
https://www.openbsd.org/security.html Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Feb/28 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2020/02/24/4 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/ (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4294-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openbsd.org/security.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)