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[ GLSA 200909-17 ] ZNC: Directory traversal
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GLSA
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Joined: 12 May 2004
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PostPosted: Sun Sep 13, 2009 9:26 pm    Post subject: [ GLSA 200909-17 ] ZNC: Directory traversal Reply with quote

Gentoo Linux Security Advisory

Title: ZNC: Directory traversal (GLSA 200909-17)
Severity: normal
Exploitable: remote
Date: September 13, 2009
Bug(s): #278684
ID: 200909-17

Synopsis


A directory traversal was found in ZNC, allowing for overwriting of
arbitrary files.


Background


ZNC is an advanced IRC bouncer.


Affected Packages

Package: net-irc/znc
Vulnerable: < 0.074
Unaffected: >= 0.074
Architectures: All supported architectures


Description


The vendor reported a directory traversal vulnerability when processing
DCC SEND requests.


Impact


A remote, authenticated user could send a specially crafted DCC SEND
request to overwrite arbitrary files with the privileges of the user
running ZNC, and possibly cause the execution of arbitrary code e.g. by
uploading a malicious ZNC module.


Workaround


There is no known workaround at this time.


Resolution


All ZNC users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=net-irc/znc-0.074"


References

CVE-2009-2658


Last edited by GLSA on Sun May 05, 2013 4:29 am; edited 5 times in total
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