Date: Mon, 6 Jul 2015 09:17:21 +0200 From: Gustavo Grieco <gustavo.grieco@...il.com> To: oss-security@...ts.openwall.com Subject: Out-of-bounds read in wget and curl using CVE-2015-2059 Hello! As you probably know, CVE-2015-2059 was't fixed yet (https://bugzilla.redhat.com/show_bug.cgi?id=1197796). Unfortunately many applications are using libidn without validating its UTF-8 inputs. Recently wget (http://git.savannah.gnu.org/cgit/wget.git/commit/?id=77f5a27e6506970c00b96570b6783c49582eacd7) and curl (http://curl.haxx.se/mail/lib-2015-06/0143.html) applied some mitigations. After reading the previous oss-security related threads i'm still unsure if these issues deserve individual CVEs or they are just consequences of CVE-2015-2059. A quick and dirty demo of this memory leak is available here: https://gist.github.com/neuromancer/cfba1dae769db0551963 Regards, Gustavo.
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