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Last updated: 8/22/2014 5:53:04 AM

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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: SUSE
Name: SUSE-SR:2010:014
External Source: MLIST
Name: [oss-security] 20100205 Re: Samba symlink 0day flaw
External Source: MLIST
Name: [samba-technical] 20100205 re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100206 Re: Claimed Zero Day exploit in Samba.
External Source: FULLDISC
Name: 20100205 Re: Samba Remote Zero-Day Exploit
External Source: MLIST
Name: [oss-security] 20100305 Re: Samba symlink 0day flaw
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=562568
External Source: MLIST
Name: [samba-technical] 20100206 Re: Claimed Zero Day exploit in Samba.
External Source: CONFIRM
Name: http://gitweb.samba.org/?p=samba.git;a=commit;h=bd269443e311d96ef495a9db47d1b95eb83bb8f4
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: SECUNIA
Name: 39317
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: CONFIRM
Name: https://bugzilla.samba.org/show_bug.cgi?id=7104
External Source: FULLDISC
Name: 20100204 Re: Samba Remote Zero-Day Exploit
External Source: MLIST
Name: [oss-security] 20100206 Re: Samba symlink 0day flaw
External Source: MLIST
Name: [oss-security] 20100305 Re: Samba symlink 0day flaw
External Source: SUSE
Name: SUSE-SR:2010:008
External Source: CONFIRM
Name: http://www.samba.org/samba/news/symlink_attack.html
Type: Advisory
External Source: MLIST
Name: [oss-security] 20100205 Samba symlink 0day flaw
External Source: FULLDISC
Name: 20100204 Samba Remote Zero-Day Exploit
External Source: MLIST
Name: [samba-technical] 20100206 Re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100207 Re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [oss-security] 20100206 Re: Samba symlink 0day flaw
External Source: MLIST
Name: [samba-technical] 20100205 Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.
External Source: FULLDISC
Name: 20100204 Re: Samba Remote Zero-Day Exploit
External Source: MLIST
Name: [oss-security] 20100205 Re: Samba symlink 0day flaw
External Source: MISC
Name: http://blog.metasploit.com/2010/02/exploiting-samba-symlink-traversal.html
External Source: MLIST
Name: [samba-technical] 20100205 Re: Claimed Zero Day exploit in Samba.

Technical Details

Vulnerability Type (View All)