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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2019-3811
HistoryJan 15, 2019 - 3:29 p.m.

CVE-2019-3811

2019-01-1515:29:00
Debian Security Bug Tracker
security-tracker.debian.org
6

2.7 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:S/C:N/I:N/A:P

5.2 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

23.5%

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.

OSVersionArchitecturePackageVersionFilename
Debian12allsssd< 2.2.0-1sssd_2.2.0-1_all.deb
Debian11allsssd< 2.2.0-1sssd_2.2.0-1_all.deb
Debian999allsssd< 2.2.0-1sssd_2.2.0-1_all.deb

2.7 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:S/C:N/I:N/A:P

5.2 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

23.5%