National Vulnerability Database (NVD) National Vulnerability Database (CVE-2010-0926)

National Cyber Awareness System

Vulnerability Summary for CVE-2010-0926

Original release date:03/10/2010

Last revised:09/09/2010

Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:3.5 (LOW) (AV:N/AC:M/Au:S/C:P/I:N/A:N) (legend)

Impact Subscore: 2.9

Exploitability Subscore: 6.8

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Medium

Authentication: Required to exploit

Impact Type:Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://bugzilla.samba.org/show_bug.cgi?id=7104

Hyperlink:https://bugzilla.samba.org/show_bug.cgi?id=7104

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=562568

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=562568

External Source: CONFIRM

Name: http://www.samba.org/samba/news/symlink_attack.html

Type: Advisory

Hyperlink:http://www.samba.org/samba/news/symlink_attack.html

External Source: MLIST

Name: [oss-security] 20100305 Re: Samba symlink 0day flaw

Hyperlink:http://www.openwall.com/lists/oss-security/2010/03/05/3

External Source: MLIST

Name: [oss-security] 20100206 Re: Samba symlink 0day flaw

Hyperlink:http://www.openwall.com/lists/oss-security/2010/02/06/3

External Source: SECUNIA

Name: 39317

Hyperlink:http://secunia.com/advisories/39317

External Source: MLIST

Name: [samba-technical] 20100207 Re: Claimed Zero Day exploit in Samba.

Hyperlink:http://marc.info/?l=samba-technical&m=126555346721629&w=2

External Source: MLIST

Name: [samba-technical] 20100206 Re: Claimed Zero Day exploit in Samba.

Hyperlink:http://marc.info/?l=samba-technical&m=126549111204428&w=2

External Source: MLIST

Name: [samba-technical] 20100206 Re: Claimed Zero Day exploit in Samba.

Hyperlink:http://marc.info/?l=samba-technical&m=126548356728379&w=2

External Source: MLIST

Name: [samba-technical] 20100206 Re: Claimed Zero Day exploit in Samba.

Hyperlink:http://marc.info/?l=samba-technical&m=126547903723628&w=2

External Source: MLIST