CVE-2018-17953

pam_access does not handle netmask matches correctly

Description

A incorrect variable in a SUSE specific patch for pam_access rule matching in PAM 1.3.0 in openSUSE Leap 15.0 and SUSE Linux Enterprise 15 could lead to pam_access rules not being applied (fail open).

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.43%
Affected: SUSE pam
Published at:
Updated at:

References

Link Tags
https://bugzilla.suse.com/show_bug.cgi?id=1115640

Frequently Asked Questions

What is the severity of CVE-2018-17953?
CVE-2018-17953 has been scored as a high severity vulnerability.
How to fix CVE-2018-17953?
To fix CVE-2018-17953, 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-2018-17953 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-17953 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-17953?
CVE-2018-17953 affects SUSE pam.
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