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[ GLSA 200411-21 ] Samba: Multiple vulnerabilities
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GLSA
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Joined: 13 Jun 2003
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Location: Dresden, Germany

PostPosted: Thu Nov 11, 2004 9:40 pm    Post subject: [ GLSA 200411-21 ] Samba: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: Samba: Multiple vulnerabilities (GLSA 200411-21)
Severity: normal
Exploitable: remote
Date: November 11, 2004
Updated: November 15, 2004
Bug(s): #70429
ID: 200411-21

Synopsis


Samba is vulnerable to a buffer overflow that could lead to execution of
arbitrary code (CAN-2004-0882). Another flaw in Samba may allow a remote
attacker to cause a Denial of Service by excessive consumption of CPU
cycles (CAN-2004-0930).


Background


Samba is a freely available SMB/CIFS implementation which allows
seamless interoperability of file and print services to other SMB/CIFS
clients.


Affected Packages

Package: net-fs/samba
Vulnerable: < 3.0.8
Unaffected: >= 3.0.8
Unaffected: < 3.0
Architectures: All supported architectures


Description


Samba fails to do proper bounds checking when handling
TRANSACT2_QFILEPATHINFO replies. Additionally an input validation flaw
exists in ms_fnmatch.c when matching filenames that contain wildcards.


Impact


An attacker may be able to execute arbitrary code with the permissions
of the user running Samba. A remote attacker may also be able to cause
an abnormal consumption of CPU resources, resulting in slower
performance of the server or even a Denial of Service.


Workaround


There is no known workaround at this time.


Resolution


All Samba users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=net-fs/samba-3.0.8"


References

Samba Security Announcement
CAN-2004-0930
CAN-2004-0882
E-Matters Advisory 13/2004


Last edited by GLSA on Wed Jun 18, 2014 4:18 am; edited 5 times in total
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