CVE-2019-7639

Public Exploit

Description

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.

Category

8.1
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.35%
Third-Party Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1673802 third party advisory issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2019-7639?
CVE-2019-7639 has been scored as a high severity vulnerability.
How to fix CVE-2019-7639?
To fix CVE-2019-7639, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-7639 being actively exploited in the wild?
It is possible that CVE-2019-7639 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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