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TITLE:
ELinks "add_filename_to_string()" Privilege Escalation

SECUNIA ADVISORY ID:
SA25169

VERIFY ADVISORY:
http://secunia.com/advisories/25169/

CRITICAL:
Not critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
ELinks 0.x
http://secunia.com/product/12623/

DESCRIPTION:
Arnaud Giersch has reported a weakness in ELinks, which potentially
can be exploited by malicious, local users to gain escalated
privileges.

The weakness is caused due to the "add_filename_to_string()" function
in src/intl/gettext/loadmsgcat.c reading gettext catalogs from
potentially untrusted paths. This can be exploited to execute
arbitrary code with escalated privileges by enticing another user to
run ELinks in a specially prepared directory environment.

SOLUTION:
Fixed in the GIT repository.
http://pasky.or.cz/gitweb.cgi?p=elinks.git;a=commit;h=110c564af3c12f40743b7e1adcfd3a034d73b601
http://pasky.or.cz/gitweb.cgi?p=elinks.git;a=commit;h=928f364ba2803f98d71775dc03b694d6403c0754

PROVIDED AND/OR DISCOVERED BY:
Arnaud Giersch

ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=417789

http://pasky.or.cz/gitweb.cgi?p=elinks.git;a=commit;h=110c564af3c12f40743b7e1adcfd3a034d73b601
http://pasky.or.cz/gitweb.cgi?p=elinks.git;a=commit;h=928f364ba2803f98d71775dc03b694d6403c0754

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