CVE-2018-17953

pam_access does not handle netmask matches correctly

HIGH
7.5
CVSS Score
Published: November 27, 2018 at 01:00 PM UTC
Updated: June 17, 2026 at 01:46 AM UTC
3 products affected across 2 vendorsLinux PamLinux EnterpriseLinux Pam· also runs on 1 platform

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

opensuse-leap (environment) · suse-linux-enterprise (environment)
1.3.0 ≤ v < 1.3.0 before 2018-11-301.3.0
Affected range stops below 1.3.0 before 2018-11-30, so it looks safe — our inference, not a vendor statement
All versions

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

7.5HIGHmicrofocus
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-noinfo

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