Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
Low
Attack Vector
Adjacent_network
0

CVE-2019-3811

Disclosure Date: January 15, 2019
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Description

A vulnerability was found in sssd. If a user was configured with no home directory set, sssd would return ‘/’ (the root directory) instead of “ (the empty string / no home directory). This could impact services that restrict the user’s filesystem access to within their home directory through chroot() etc. All versions before 2.1 are vulnerable.

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CVSS V3 Severity and Metrics
Base Score:
5.2 Medium
Impact Score:
3.6
Exploitability Score:
1.5
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack Vector (AV):
Adjacent_network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • debian,
  • fedoraproject,
  • opensuse,
  • redhat

Products

  • debian linux 8.0,
  • enterprise linux 7.0,
  • fedora -,
  • leap 15.0,
  • leap 42.3,
  • sssd
Technical Analysis