49081 : Linux Kernel fs/open.c (f)truncate Function Local Privilege Escalation
Printer | http://osvdb.org/49081 | Email This | Edit Vulnerability

Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
10 1437 about 1 year ago 4 months ago 3 times 55%

This Entry needs help! It is only 55% Complete. Click the edit link above to add more information.

Contributing is fast and easy, and benefits the entire security community.

Timeline
Disclosure Date
2008-09-24

Description

 (Description Provided by CVE) : fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by creating an executable file in a setgid directory through the (1) truncate or (2) ftruncate function in conjunction with memory-mapped I/O.

Classification

 Location: Local Access Required
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified

Solution

 Upgrade to version 2.6.22 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

Credit
  • gat3way at gat3way dot eu -

CVSSv2 Score

CVSSv2 Base Score = 4.6
Source: nvd.nist.gov | Generated: 2008-09-30 | Disagree?

Access_vector_0 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

2008/11/28 04:22:36 | USN-679-1: Linux kernel vulnerabilities

from: ubuntudoctor | Ubuntu Linux Tutorials, Articles, Downloads, Clinics and Howto

=========================================================== Ubuntu Security Notice USN-679-1 November 27, 2008 linux, linux-source-2.6.15/22 vulnerabilities CVE-2007-5498, CVE-2008-3831, CVE-2008-4210, CVE-2008-4554, CVE-2008-4576, CVE-2008-4618, CVE-2008-4933, CVE-2008-4934, CVE-2008-5025, CVE-2008-5029, CVE-2008-5033

2008/11/27 18:10:08 | USN-679-1: Linux kernel vulnerabilities

from: The UNIX and Linux Forums - the Top UNIX & Linux Q&A on the Web

Referenced CVEs: CVE-2007-5498, CVE-2008-3831, CVE-2008-4210, CVE-2008-4554, CVE-2008-4576, CVE-2008-4618, CVE-2008-4933, CVE-2008-4934, ... -source-2.6.15/22 vulnerabilitiesCVE-2007-5498, CVE-2008-3831, CVE-2008-4210, CVE-2008-4554,CVE-2008-4576

Comments

Add Comment

Anonymous - 2008/11/13 23:39:08

ubntu intrepid also work ! 2.6.27 !

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

© Copyright 2010 Open Source Vulnerability Database (OSVDB), All Rights Reserved.
Privacy Statement - Terms of Use