Bug 1801635 (CVE-2019-19221) - CVE-2019-19221 libarchive: out-of-bounds read in archive_wstring_append_from_mbs in archive_string.c
Summary: CVE-2019-19221 libarchive: out-of-bounds read in archive_wstring_append_from_...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-19221
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1801636 1803966 1803967
Blocks: 1801637
TreeView+ depends on / blocked
 
Reported: 2020-02-11 12:40 UTC by Dhananjay Arunesh
Modified: 2020-11-04 02:24 UTC (History)
7 users (show)

Fixed In Version:
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Last Closed: 2020-11-04 02:24:15 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:4443 0 None None None 2020-11-04 01:00:01 UTC

Description Dhananjay Arunesh 2020-02-11 12:40:25 UTC 
A vulnerability was found in Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.

Reference:
https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41
https://github.com/libarchive/libarchive/issues/1276
Comment 1 Dhananjay Arunesh 2020-02-11 12:40:49 UTC 
Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1801636]
Comment 3 errata-xmlrpc 2020-11-04 01:00:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4443 https://access.redhat.com/errata/RHSA-2020:4443
Comment 4 Product Security DevOps Team 2020-11-04 02:24:15 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-2019-19221
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