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CVE-2018-17953

pam_access does not handle netmask matches correctly

No known exploitation. EPSS puts it in the 72nd percentile. Fixed in 1.3.0 before 2018-11-30.

CVSS 3.07.5HighEPSS percentile72nd1.3% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix1.3.0 before 2018-11-30Upgrade to this build
Check it yourself

OpenVAS · 3 checks

e.g. OID 1.3.6.1.4.1.25623.1.0.852161

Run the check

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • SUSE pamAffected: ≥ 1.3.0, < 1.3.0 before 2018-11-30Upgrade to: 1.3.0 before 2018-11-30Stated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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).

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS72nd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

1.3% chance of exploitation activity in the next 30 days, which ranks it in the 72nd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

4 events over 2767 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Record updated
  3. Publishedweakness classified

Affected products

Technical detail

CVSS 3.0 vector

Open in the CVSS calculator

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

Scored 7.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability NoneNo availability impact

Weaknesses

Sources

References in the record

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