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CVE
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CVE-2011-4675

Date: (C)2011-12-05   (M)2017-08-29 


The pathname canonicalization functionality in io/filesystem/filesystem.cc in Widelands before 15.1 expands leading ~ (tilde) characters to home-directory pathnames but does not restrict use of these characters in strings received from the network, which might allow remote attackers to conduct absolute path traversal attacks and overwrite arbitrary files via a ~ in a pathname that is used for a file transfer in an Internet game, a different vulnerability than CVE-2011-1932.

CVSS Score: 6.4Access Vector: NETWORK
Exploit Score: 10.0Access Complexity: LOW
Impact Score: 4.9Authentication: NONE
 Confidentiality: NONE
 Integrity: PARTIAL
 Availability: PARTIAL





Reference:
http://bazaar.launchpad.net/~widelands-dev/widelands/build-15/revision/5021
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=617960
widelands-filesystem-file-overwrite(71626)

CWE    1
CWE-22

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