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[ GLSA 200709-13 ] rsync: Two buffer overflows
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GLSA
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Joined: 12 May 2004
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PostPosted: Thu Sep 20, 2007 9:26 pm    Post subject: [ GLSA 200709-13 ] rsync: Two buffer overflows Reply with quote

Gentoo Linux Security Advisory

Title: rsync: Two buffer overflows (GLSA 200709-13)
Severity: normal
Exploitable: remote
Date: September 20, 2007
Bug(s): #189132
ID: 200709-13

Synopsis


Two user-assisted buffer overflow vulnerabilities have been discovered in
rsync.


Background


rsync is a file transfer program to keep remote directories
synchronized.


Affected Packages

Package: net-misc/rsync
Vulnerable: < 2.6.9-r3
Unaffected: >= 2.6.9-r3
Architectures: All supported architectures


Description


Sebastian Krahmer from the SUSE Security Team discovered two off-by-one
errors in the function "f_name()" in file sender.c when processing
overly long directory names.


Impact


A remote attacker could entice a user to synchronize a repository
containing specially crafted directories, leading to the execution of
arbitrary code with the privileges of the user running the application.


Workaround


There is no known workaround at this time.


Resolution


All rsync users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=net-misc/rsync-2.6.9-r3"


References

CVE-2007-4091


Last edited by GLSA on Fri Mar 26, 2010 4:25 am; edited 2 times in total
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