REDHAT-BUG-1663889: Use After Free
First published: Mon Jan 07 2019(Updated: )
A use-after-free vulnerability was found in libarchive in RAR decoder. A crafted archive could cause the application to crash. Upstream issue: <a href="https://github.com/libarchive/libarchive/pull/1105">https://github.com/libarchive/libarchive/pull/1105</a> Upstream patch: <a href="https://github.com/libarchive/libarchive/commit/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28">https://github.com/libarchive/libarchive/commit/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle Libarchive |
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Reference Links
- https://github.com/libarchive/libarchive/pull/1105
- https://github.com/libarchive/libarchive/commit/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1663893
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1663895
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1663894
- https://access.redhat.com/errata/RHSA-2019:2298
- https://access.redhat.com/security/cve/cve-2018-1000878
- https://access.redhat.com/errata/RHSA-2019:3698
- https://bugzilla.redhat.com/show_bug.cgi?id=1663889
Frequently Asked Questions
What is the severity of REDHAT-BUG-1663889?
REDHAT-BUG-1663889 is classified as a use-after-free vulnerability which can cause application crashes.
How do I fix REDHAT-BUG-1663889?
To fix REDHAT-BUG-1663889, apply the upstream patch from the libarchive repository.
What systems are affected by REDHAT-BUG-1663889?
REDHAT-BUG-1663889 affects systems using the libarchive RAR decoder.
Is there a workaround for REDHAT-BUG-1663889?
Currently, no official workaround has been provided for REDHAT-BUG-1663889.
What exploits are associated with REDHAT-BUG-1663889?
Exploits related to REDHAT-BUG-1663889 could potentially result in crashes and denial of service.
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- vendor/libarchive
- canonical/oracle libarchive