CVE Request: Info-ZIP unzip 6.0

[mancha <mancha1 () zoho com>]

Hello.

OOB access (both read and write) issues exist in test_compr_eb
(extract.c) that can result in application crash or other unspecified
impact.

This vulnerability can be triggered via crafted zip archives with extra
fields that advertise STORED method compression (i.e. no compression)
and have uncompressed field sizes smaller than the corresponding
compressed field sizes.

This issue is different from CVE-2014-8140 [1].

Please allocate a CVE identifier for this vulnerability.

--mancha


Timeline:

2014-10-24: Crasher bundled in afl
2014-11-02: Existence of crasher shared on OSS-SEC [2]
2014-11-03: Crasher analyzed and fix developed [3]
2014-11-03: Maintainer contacted [4]
2014-12-22: CVE requested

----
[1] https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2014-8140
[2] http://seclists.org/oss-sec/2014/q4/489
[3] http://seclists.org/oss-sec/2014/q4/507
[4] http://www.info-zip.org/phpBB3/viewtopic.php?f=7&t=450

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