Executive Summary
| Summary | |
|---|---|
| Title | Light Display Manager vulnerabilities |
| Informations | |||
|---|---|---|---|
| Name | USN-1262-1 | First vendor Publication | 2011-11-15 |
| Vendor | Ubuntu | Last vendor Modification | 2011-11-15 |
| Severity (Vendor) | N/A | Revision | N/A |
Security-Database Scoring CVSS v3
| Cvss vector : N/A | |||
|---|---|---|---|
| Overall CVSS Score | NA | ||
| Base Score | NA | Environmental Score | NA |
| impact SubScore | NA | Temporal Score | NA |
| Exploitabality Sub Score | NA | ||
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:M/Au:N/C:N/I:P/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 1.9 | Attack Range | Local |
| Cvss Impact Score | 2.9 | Attack Complexity | Medium |
| Cvss Expoit Score | 3.4 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 11.10 Summary: Several security issues were fixed in Light Display Manager. Software Description: - lightdm: Display Manager Details: It was discovered that Light Display Manager incorrectly handled privileges when reading .dmrc files. A local attacker could exploit this issue to read arbitrary configuration files, bypassing intended permissions. (CVE-2011-3153) It was discovered that Light Display Manager incorrectly handled links when adjusting permissions on .Xauthority files. A local attacker could exploit this issue to access arbitrary files, and possibly obtain increased privileges. In the default Ubuntu installation, this would be prevented by the Yama link restrictions. (CVE-2011-4105) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 11.10: After a standard system update you need to reboot your computer to make all the necessary changes. References: Package Information: |
Original Source
| Url : http://www.ubuntu.com/usn/USN-1262-1 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-59 | Improper Link Resolution Before File Access ('Link Following') |
OVAL Definitions
| Definition Id: oval:org.mitre.oval:def:14892 | |||
| Oval ID: | oval:org.mitre.oval:def:14892 | ||
| Title: | USN-1262-1 -- Light Display Manager vulnerabilities | ||
| Description: | lightdm: Display Manager Several security issues were fixed in Light Display Manager. | ||
| Family: | unix | Class: | patch |
| Reference(s): | USN-1262-1 CVE-2011-3153 CVE-2011-4105 | Version: | 5 |
| Platform(s): | Ubuntu 11.10 | Product(s): | Light |
| Definition Synopsis: | |||
CPE : Common Platform Enumeration
OpenVAS Exploits
| Date | Description |
|---|---|
| 2012-03-16 | Name : Ubuntu Update for lightdm USN-1262-1 File : nvt/gb_ubuntu_USN_1262_1.nasl |
Open Source Vulnerability Database (OSVDB)
| Id | Description |
|---|---|
| 77176 | LightDM ~/.dmrc File Handling Local Symlink Arbitrary File Access |
| 76835 | LightDM src/xsession.c xsession_setup() Function /.Xauthority File Symlink Ow... |
Nessus® Vulnerability Scanner
| Date | Description |
|---|---|
| 2014-06-13 | Name : The remote openSUSE host is missing a security update. File : openSUSE-2011-12.nasl - Type : ACT_GATHER_INFO |
| 2014-06-13 | Name : The remote openSUSE host is missing a security update. File : openSUSE-2012-154.nasl - Type : ACT_GATHER_INFO |
| 2011-11-16 | Name : The remote Ubuntu host is missing one or more security-related patches. File : ubuntu_USN-1262-1.nasl - Type : ACT_GATHER_INFO |
Alert History
| Date | Informations |
|---|---|
| 2016-07-28 01:03:37 |
|
| 2016-04-27 00:13:18 |
|
| 2014-03-08 00:23:28 |
|
| 2014-03-07 13:26:17 |
|
| 2014-02-17 11:59:15 |
|
| 2013-05-11 00:54:38 |
|
