Bug 1727761 (CVE-2019-13232) - CVE-2019-13232 unzip: overlapping of files in ZIP container leads to denial of service
Summary: CVE-2019-13232 unzip: overlapping of files in ZIP container leads to denial o...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-13232
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: 1727762 1740728 1740743 1829559
Blocks: 1727764
TreeView+ depends on / blocked
 
Reported: 2019-07-08 06:23 UTC by Dhananjay Arunesh
Modified: 2021-02-16 21:45 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2020-03-31 22:34:32 UTC


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:1181 0 None None None 2020-03-31 19:33:20 UTC
Red Hat Product Errata RHSA-2020:1787 0 None None None 2020-04-28 15:53:03 UTC
Red Hat Product Errata RHSA-2020:2486 0 None None None 2020-06-10 16:22:51 UTC

Internal Links: 1953565

Description Dhananjay Arunesh 2019-07-08 06:23:50 UTC
Info-ZIP UnZip 6.0 mishandles the overlapping of files inside a ZIP container, leading to denial of service (resource consumption), aka a "better zip bomb" issue.

Reference:
https://github.com/madler/unzip
https://www.bamsoftware.com/hacks/zipbomb/

Comment 1 Dhananjay Arunesh 2019-07-08 06:24:10 UTC
Created unzip tracking bugs for this issue:

Affects: fedora-all [bug 1727762]

Comment 5 Stefan Cornelius 2019-08-13 15:08:20 UTC
Statement:

This issue affects the versions of unzip as shipped with Red Hat Enterprise Linux 5, 6, 7, and 8.

Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Comment 9 Sonu Khan 2020-01-28 13:05:09 UTC
Is there any mitigation steps for this till the time Redhat provides us the fix?

Comment 10 errata-xmlrpc 2020-03-31 19:33:18 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1181 https://access.redhat.com/errata/RHSA-2020:1181

Comment 11 Product Security DevOps Team 2020-03-31 22:34:32 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-13232

Comment 12 errata-xmlrpc 2020-04-28 15:53:01 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1787 https://access.redhat.com/errata/RHSA-2020:1787

Comment 14 errata-xmlrpc 2020-06-10 16:22:50 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.7 Extended Update Support

Via RHSA-2020:2486 https://access.redhat.com/errata/RHSA-2020:2486


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