CVE-2011-4105
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
LightDM 1.0.4和1.0.5版本中存在安全漏洞。由于"xsession_setup()"函数(src/xsession.c)不正确的改变"~/.Xauthority"文件的所有权，攻击者可借助创建符号链接方式改变任意文件的所有权，并以提升的特权执行某些操作。
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I. Basic Information for CVE-2011-4105
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
LightDM before 1.0.6 allows local users to change ownership of arbitrary files via a symlink attack on ~/.Xauthority.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
LightDM ‘xsession_setup()’ 本地权限提升漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LightDM 1.0.4和1.0.5版本中存在安全漏洞。由于"xsession_setup()"函数(src/xsession.c)不正确的改变"~/.Xauthority"文件的所有权，攻击者可借助创建符号链接方式改变任意文件的所有权，并以提升的特权执行某些操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2011-4105
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2011-4105 (1)
Mailing List Discussions for CVE-2011-4105 (3)
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http://lists.freedesktop.org/archives/lightdm/2011-November/000178.html mailing-list x_refsource_MLIST
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Same Patch Batch · n/a · 2012-02-17 · 7 CVEs total
| CVE-2011-4113 | Drupal Views模块SQL注入漏洞 | |
| CVE-2012-1191 | Daniel J. Bernstein djbdns安全漏洞 | |
| CVE-2012-1192 | Unbound 安全漏洞 | |
| CVE-2012-1193 | PowerDNS Recursor安全漏洞 | |
| CVE-2012-1194 | Microsoft Windows Server 2008 安全漏洞 | |
| CVE-2012-0206 | PowerDNS拒绝服务漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2011-4105
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