CVE-2013-4331
Ubuntu Security Notice USN-1950-1
Severity Score
5.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Light Display Manager (aka LightDM) 1.4.x before 1.4.3, 1.6.x before 1.6.2, and 1.7.x before 1.7.14 uses 0664 permissions for the temporary .Xauthority file, which allows local users to obtain sensitive information by reading the file.
Light Display Manager (también conocido como LightDM) 1.4.x anterior a 1.4.3, 1.6.x anterior a 1.6.2, y 1.7.x anterior a 1.7.14 utiliza los permisos 0664 para el archivo .Xauthority temporal, lo cual permite a usuarios locales obtener información sensible mediante la lectura del archivo.
It was discovered that Light Display Manager created .Xauthority files with incorrect permissions. A local attacker could use this flaw to bypass access restrictions.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2013-06-12 CVE Reserved
- 2013-09-13 CVE Published
- 2024-08-06 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-264: Permissions, Privileges, and Access Controls
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://bugs.launchpad.net/lightdm/%2Bbug/685212 | X_refsource_confirm |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.4.0 Search vendor "Robert Ancell" for product "Lightdm" and version "1.4.0" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.4.1 Search vendor "Robert Ancell" for product "Lightdm" and version "1.4.1" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.4.2 Search vendor "Robert Ancell" for product "Lightdm" and version "1.4.2" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.6.0 Search vendor "Robert Ancell" for product "Lightdm" and version "1.6.0" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.6.1 Search vendor "Robert Ancell" for product "Lightdm" and version "1.6.1" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.0 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.0" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.1 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.1" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.2 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.2" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.3 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.3" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.4 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.4" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.5 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.5" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.6 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.6" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.7 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.7" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.8 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.8" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.9 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.9" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.10 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.10" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.11 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.11" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.12 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.12" | - |
Affected
| ||||||
| Robert Ancell Search vendor "Robert Ancell" | Lightdm Search vendor "Robert Ancell" for product "Lightdm" | 1.7.13 Search vendor "Robert Ancell" for product "Lightdm" and version "1.7.13" | - |
Affected
| ||||||