CVE-2018-17953 pam_access does not handle netmask matches correctly

2018-11-2713:00:00

CWE-284

microfocus

www.cve.org

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.9

Confidence

High

EPSS

0.002

Percentile

60.7%

JSON

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).

CNA Affected

[
  {
    "product": "pam",
    "vendor": "SUSE",
    "versions": [
      {
        "lessThan": "1.3.0 before 2018-11-30",
        "status": "affected",
        "version": "1.3.0",
        "versionType": "custom"
      }
    ]
  }
]