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Vulnerability Analysis Result (Revision No : 1) [ Download XML
VRDA-100315-001
Samba CAP_DAC_OVERRIDE flag security bypass
http://www.samba.org/samba/security/CVE-2010-0728

This flaw caused all smbd processes to inherit CAP_DAC_OVERRIDE capabilities, allowing all file system access to be allowed even when permissions should have denied access.




About This Analysis Information
Analysis Information Provider:
JPCERT/CC
First Published:
2010-03-15
Source Information Category:
Advisory, Alert
Last Updated:
2010-03-15




Affected Product Tags
cpe:/a:samba:samba     (Samba Samba)
 


Vulnerability Analysis Results
[Information Source Reliability] [?]
Low [?]

Medium [?]
X High [?]

[Impact Level] [?]
Low [?]

Low-Medium [?]
X Medium-High [?]
High [?]

[Access Required] [?]
Physical [?]

Local [?]
X Non-routed [?]
Routed [?]

[Authentication] [?]
Privileged [?]

X Standard [?]
Limited [?]
None or Unnecessary [?]

[User Interaction Required] [?]
Complex [?]

Simple [?]
X None [?]

[Technical Difficulty] [?]
High [?]

Medium-High [?]
Low-Medium [?]
Low [?]

[Availability of Remediation] [?]
X Official Patch [?]

Official Workaround [?]
Unofficial Patch [?]
None [?]

[Incident Activity] [?]
X None [?]

Exploit or PoC [?]
Activity Observed [?]

Alternatives




References
Common Vulnerabilities and Exposures (CVE) CVE-2010-0728
smbd in Samba 3.3.11, 3.4.6, and 3.5.0, when libcap support isenabled, runs with the CAP_DAC_OVERRIDE capability, which allowsremote authenticated users to bypass intended file permissions viastandard filesystem operations with any client.





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