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>> BitchX "e_hostname()" Insecure Temporary File Creation Vulnerability
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Title : BitchX "e_hostname()" Insecure Temporary File Creation Vulnerability
VUPEN ID : VUPEN/ADV-2007-3714
CVE ID : CVE-2007-5839
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2007-11-05
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A vulnerability has been identified in BitchX, which could be exploited by local attackers to bypass security restrictions. This issue is caused by an error in the "e_hostname()" [commands.c] function that creates temporary files via the insecure "tmpnam()" function when the "hostname" command is executed, which could allow malicious users to conduct symlink attacks and overwrite arbitrary files with the privileges of the user invoking the vulnerable application.
Affected Products
BitchX versions 1.x
Solution
VUPEN Security is not aware of any vendor-supplied patch.
References
http://www.vupen.com/english/advisories/2007/3714
http://bugs.debian.org/449149
Credits
Vulnerability reported by Nico Golde.
ChangeLog
2007-11-05 : Initial release
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