CVE-2019-7639

An issue was discovered in gsi-openssh-server 7.9p1 on Fedora 29. If PermitPAMUserChange is set to yes in the /etc/gsissh/sshd_config file, logins succeed with a valid username and an incorrect password, even though a failure entry is recorded in the /var/log/messages file.

CVSS v3.0 8.1 HIGH
CVSS v2.0 4.3 MEDIUM

8.1^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1673802	Exploit Issue Tracking Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:28:::::::*
	cpe:2.3:o:fedoraproject:fedora:29:::::::*

Configuration 2 (hide)

cpe:2.3:a:gsi-openssh_project:gsi-openssh:7.9:p1:*:*:*:*:*:*

Information

Published : 2019-02-08 03:29

Updated : 2020-08-24 10:37

NVD link : CVE-2019-7639

Mitre link : CVE-2019-7639

JSON object : View

CWE

CWE-863

Incorrect Authorization

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Products Affected

gsi-openssh_project

gsi-openssh

fedoraproject

fedora

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