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>> XEmacs vcdiff Script Insecure Temporary File Creation Vulnerability
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Title : XEmacs vcdiff Script Insecure Temporary File Creation Vulnerability
VUPEN ID : VUPEN/ADV-2008-1310
CVE ID : CVE-2008-1694
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2008-04-21
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A vulnerability has been identified in XEmacs, which could be exploited by local attackers to bypass security restrictions. This issue is caused by a race condition in the "lib-src/vcdiff" script that uses temporary files in an insecure manner, which could allow malicious users to conduct symlink attacks and delete arbitrary files with the privileges of the user invoking the vulnerable script.
Affected Products
XEmacs versions 21.x
Solution
VUPEN Security is not aware of any vendor-supplied patch.
References
http://www.vupen.com/english/advisories/2008/1310
https://bugzilla.redhat.com/show_bug.cgi?id=208483
http://bugs.gentoo.org/show_bug.cgi?id=216880
Credits
Vulnerability reported by Steve Grubb (Red Hat).
ChangeLog
2008-04-21 : Initial release
Vulnerability Management
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