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/
Created unzip tracking bugs for this issue: Affects: fedora-all [bug 1727762]
Patch: https://github.com/madler/unzip/commit/41beb477c5744bc396fa1162ee0c14218ec12213 https://github.com/madler/unzip/commit/47b3ceae397d21bf822bc2ac73052a4b1daf8e1c Related patch to prevent false positives: https://github.com/madler/unzip/commit/6d351831be705cc26d897db44f878a978f4138fc
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/.
Is there any mitigation steps for this till the time Redhat provides us the fix?
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
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
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
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