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cveMitreCVE-2019-7639
HistoryFeb 08, 2019 - 11:29 a.m.

CVE-2019-7639

2019-02-0811:29:00
CWE-863
mitre
web.nvd.nist.gov
40
cve-2019-7639
gsi openssh
server
fedora 29
logins
security vulnerability
nvd
permitpamuserchange

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.8

Confidence

High

EPSS

0.002

Percentile

61.0%

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.

Affected configurations

Nvd
Node
fedoraprojectfedoraMatch28
OR
fedoraprojectfedoraMatch29
Node
gsi-openssh_projectgsi-opensshMatch7.9p1
VendorProductVersionCPE
fedoraprojectfedora28cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
fedoraprojectfedora29cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
gsi-openssh_projectgsi-openssh7.9cpe:2.3:a:gsi-openssh_project:gsi-openssh:7.9:p1:*:*:*:*:*:*

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.8

Confidence

High

EPSS

0.002

Percentile

61.0%