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.

CVSS v3.0 4.7 MEDIUM
CVSS v2.0 4.7 MEDIUM

4.7^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.7^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.openbsd.org/security.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/24/4	Exploit Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/Feb/28	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/	Mailing List Third Party Advisory
https://usn.ubuntu.com/4294-1/	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:19.10:::::::*

Information

Published : 2020-02-25 09:15

Updated : 2022-01-01 11:30

NVD link : CVE-2020-8793

Mitre link : CVE-2020-8793

JSON object : View

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

CWE-426

Untrusted Search Path

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Products Affected

canonical

ubuntu_linux

opensmtpd

opensmtpd

fedoraproject

fedora

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