Bug 1537059 (CVE-2018-1000031) - CVE-2018-1000031 unzip: Heap-based out-of-bounds write in fileio.c:set_zipfn_sgmnt_name() possibly causing crash
Summary: CVE-2018-1000031 unzip: Heap-based out-of-bounds write in fileio.c:set_zipfn_...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-1000031
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1537060 1543337
Blocks: 1537057
TreeView+ depends on / blocked
 
Reported: 2018-01-22 11:16 UTC by Adam Mariš
Modified: 2021-02-17 00:56 UTC (History)
6 users (show)

Fixed In Version: unzip 6.1c23
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Clone Of:
Environment:
Last Closed: 2019-06-08 03:37:52 UTC
Embargoed:

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Description Adam Mariš 2018-01-22 11:16:55 UTC 
Heap-based out-of-bounds write in fileio.c:set_zipfn_sgmnt_name() was found when archive filename does not contain a .zip suffix, possibly causing crash of application.
Comment 3 Adam Mariš 2018-01-22 12:57:46 UTC 
Acknowledgments:

Name: R. Freingruber (SEC Consult Vulnerability Lab)
Comment 4 Pedro Yóssis Silva Barbosa 2018-01-25 15:59:09 UTC 
Statement:

This issue did not affect the versions of unzip as shipped with Red Hat Enterprise Linux 5, 6, and 7, as they did not include support for set_zipfn_sgmnt_name function.
Comment 5 Adam Mariš 2018-02-08 09:02:24 UTC 
External References:

https://www.sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-infozip-unzip/index.html
Comment 6 Adam Mariš 2018-02-08 09:44:54 UTC 
Created unzip tracking bugs for this issue:

Affects: fedora-all [bug 1543337]
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