CVE-2007-0472: Race Condition
First published: Sat Feb 03 2007(Updated: )
Multiple race conditions in Smb4K before 0.8.0 allow local users to (1) modify arbitrary files via unspecified manipulations of Smb4K's lock file, which is not properly handled by the remove_lock_file function in core/smb4kfileio.cpp, and (2) add lines to the sudoers file via a symlink attack on temporary files, which isn't properly handled by the writeFile function in core/smb4kfileio.cpp.
Credit: security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Smb4K | =0.7 | |
| Smb4K | =0.4 | |
| Smb4K | =0.6 | |
| Smb4K | =0.5 |
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Reference Links
- https://lists.berlios.de/pipermail/smb4k-announce/2006-December/000037.html
- http://developer.berlios.de/bugs/?func=detailbug&bug_id=9630&group_id=769
- http://developer.berlios.de/project/shownotes.php?release_id=11706
- http://developer.berlios.de/project/shownotes.php?release_id=11902
- http://developer.berlios.de/project/shownotes.php?release_id=9777
- http://secunia.com/advisories/23937
- http://www.gentoo.org/security/en/glsa/glsa-200703-09.xml
- http://lists.suse.com/archive/suse-security-announce/2007-Jan/0015.html
- http://www.securityfocus.com/bid/22299
- http://secunia.com/advisories/23984
- http://secunia.com/advisories/24111
- http://secunia.com/advisories/24469
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:042
- http://www.vupen.com/english/advisories/2007/0393
Frequently Asked Questions
What are the implications of CVE-2007-0472?
CVE-2007-0472 allows local users to modify arbitrary files and potentially elevate privileges through a race condition vulnerability in Smb4K.
Which versions of Smb4K are affected by CVE-2007-0472?
CVE-2007-0472 affects Smb4K versions 0.4, 0.5, 0.6, and 0.7.
How can I mitigate CVE-2007-0472?
To mitigate CVE-2007-0472, users should upgrade to Smb4K version 0.8.0 or later where the vulnerabilities have been addressed.
Is CVE-2007-0472 a remote or local vulnerability?
CVE-2007-0472 is a local vulnerability that can only be exploited by local users.
What steps should I take if I suspect exploitation of CVE-2007-0472?
If you suspect exploitation of CVE-2007-0472, immediately upgrade Smb4K and review system logs for unauthorized file modifications.
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