Home/CVE/An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for us
CVE

CVE-2018-14345

An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for us

An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session.

This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.

HIGH · CVSS 7.5 EPSS 0.00242
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-613Insufficient Session Expiration
▤

Affected Products & Versions

1
sddm project sddm<= 0.17.0
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Jul 2018 · 02:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2024:11376-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.suse.com/show_bug.cgi?id=1101450Issue TrackingPatchThird Party Advisory
https://github.com/sddm/sddm/commit/147cec383892d143b5e02daa70f1e7def50f5d98PatchThird Party Advisory
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