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[ GLSA 200506-21 ] Trac: File upload vulnerability
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GLSA
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Joined: 12 May 2004
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PostPosted: Wed Jun 22, 2005 4:47 pm    Post subject: [ GLSA 200506-21 ] Trac: File upload vulnerability Reply with quote

Gentoo Linux Security Advisory

Title: Trac: File upload vulnerability (GLSA 200506-21)
Severity: normal
Exploitable: remote
Date: June 22, 2005
Bug(s): #96572
ID: 200506-21

Synopsis


Trac may allow remote attackers to upload files, possibly leading to the
execution of arbitrary code.


Background


Trac is a minimalistic web-based project management, wiki and bug
tracking system including a Subversion interface.


Affected Packages

Package: www-apps/trac
Vulnerable: < 0.8.4
Unaffected: >= 0.8.4
Architectures: All supported architectures


Description


Stefan Esser of the Hardened-PHP project discovered that Trac
fails to validate the "id" parameter when uploading attachments to the
wiki or the bug tracking system.


Impact


A remote attacker could exploit the vulnerability to upload
arbitrary files to a directory where the webserver has write access to,
possibly leading to the execution of arbitrary code.


Workaround


There is no known workaround at this time.


Resolution


All Trac users should upgrade to the latest available version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/trac-0.8.4"


References

Hardened PHP Advisory 012005


Last edited by GLSA on Sun May 01, 2011 4:19 am; edited 3 times in total
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