62145 : Samba Guest Account Symlink Traversal Arbitrary File Access
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Timeline

Disclosure Date
2010-02-04

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2010-0926" target="_blank">CVE</a>)</em> : The default configuration of smbd in Samba before 3.3.11, 3.4.x before 3.4.6, and 3.5.x before 3.5.0rc3, when a writable share exists, allows remote authenticated users to leverage a directory traversal vulnerability, and access arbitrary files, by using the symlink command in smbclient to create a symlink containing .. (dot dot) sequences, related to the combination of the unix extensions and wide links options.

Classification

Location: Local Access Required, Remote / Network Access
Attack Type: Input Manipulation, Race Condition
Impact: Loss of Confidentiality, Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified, Uncoordinated Disclosure
OSVDB: Web Related

Solution

Upgrade to version 3.3.11, 3.4.6, 3.5.0rc3 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Tools & Filters

44406

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 3.5
Source: nvd.nist.gov | Generated: 2010-03-10 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_1 Confidentiality_impact_1 Integrity_impact_0 Availability_impact_0

Comments

No Comments.

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