[Bug 206386] vendor/libarchive: directory traversal vulnerability/local denial of services
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Tue Jan 19 00:14:59 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206386
--- Comment #2 from Jason Unovitch <junovitch at freebsd.org> ---
Created attachment 165786
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=165786&action=edit
vendor/libarchive/dist: Apply CVE-2013-0211 patch
Affects: FreeBSD 9.3
CVE Name: CVE-2015-2304
Mitre's description: Integer signedness error in the archive_write_zip_data
function in archive_write_set_format_zip.c in libarchive 3.1.2 and earlier,
when running on 64-bit machines, allows context-dependent attackers to cause a
denial of service (crash) via unspecified vectors, which triggers an improper
conversion between unsigned and signed types, leading to a buffer overflow.
Discussion:
Fixed in head r248664
(https://svnweb.FreeBSD.org/base?view=revision&revision=248664) which has was
part of 10.0-RELEASE.
As this was not properly applied to vendor/libarchive, should the attached
patch be applied? I was confused until I seen that r248664 was a direct commit
to head without the MFV the other patches have taken.
I haven't dug into the impact yet past this as this was the last issue I came
across and I've already added it to the port.
References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0211
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