CVE-2019-18898

Description

From CVE.org

UNIX Symbolic Link (Symlink) Following vulnerability in the trousers package of SUSE Linux Enterprise Server 15 SP1; openSUSE Factory allowed local attackers escalate privileges from user tss to root. This issue affects: SUSE Linux Enterprise Server 15 SP1 trousers versions prior to 0.3.14-6.3.1. openSUSE Factory trousers versions prior to 0.3.14-7.1.

Statement

The trousers versions as shipped as Red Hat Enterprise Linux 5, 6, 7 and 8 are not affected by this issue. The flaw resides on the post transaction scriptlet from the RPM package. This scriptlet doesn't exists on Red Hat Enterprise Linux RPM spec file.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 Score Breakdown

Red HatNVDcve.org
Base Score3.17.8N/A
Attack VectorLocalLocalN/A
Attack ComplexityLowLowN/A
Privileges RequiredHighLowN/A
User InteractionRequiredNoneN/A
ScopeUnchangedUnchangedN/A
ConfidentialityLowHighN/A
Integrity ImpactLowHighN/A
Availability ImpactNoneHighN/A

Vector

Red Hat: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

NVD: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Understanding the Weakness (CWE)

CWE-266

Access Control

Technical Impact: Gain Privileges or Assume Identity

A user can access restricted functionality and/or sensitive information that may include administrative functionality and user accounts.

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