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[ GLSA 200712-07 ] Lookup: Insecure temporary file creation
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GLSA
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PostPosted: Mon Dec 10, 2007 12:26 am    Post subject: [ GLSA 200712-07 ] Lookup: Insecure temporary file creation Reply with quote

Gentoo Linux Security Advisory

Title: Lookup: Insecure temporary file creation (GLSA 200712-07)
Severity: normal
Exploitable: local
Date: December 09, 2007
Bug(s): #197306
ID: 200712-07

Synopsis

Lookup uses temporary files in an insecure manner, allowing for a symlink attack.

Background

Lookup is a search interface to books and dictionnaries for Emacs.

Affected Packages

Package: app-emacs/lookup
Vulnerable: < 1.4.1
Unaffected: >= 1.4.1
Architectures: All supported architectures


Description

Tatsuya Kinoshita reported that the ndeb-binary function does not handle temporay files correctly.

Impact

A local attacker could use a symlink attack to overwrite files with the privileges of the user running Lookup.

Workaround

There is no known workaround at this time.

Resolution

All Lookup users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emacs/lookup-1.4.1"


References

CVE-2007-0237
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