REDHAT-BUG-1672888
First published: Wed Feb 06 2019(Updated: )
libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660 parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660 file. References: <a href="https://github.com/libarchive/libarchive/pull/1120/commits/8312eaa576014cd9b965012af51bc1f967b12423">https://github.com/libarchive/libarchive/pull/1120/commits/8312eaa576014cd9b965012af51bc1f967b12423</a> <a href="https://github.com/libarchive/libarchive/pull/1120">https://github.com/libarchive/libarchive/pull/1120</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle Libarchive | >=2.8.0 |
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Reference Links
- https://github.com/libarchive/libarchive/pull/1120/commits/8312eaa576014cd9b965012af51bc1f967b12423
- https://github.com/libarchive/libarchive/pull/1120
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1672900
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1672901
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1673424
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1674057
- https://access.redhat.com/errata/RHSA-2019:2298
- https://access.redhat.com/security/cve/cve-2019-1000020
- https://access.redhat.com/errata/RHSA-2019:3698
- https://bugzilla.redhat.com/show_bug.cgi?id=1672888
Frequently Asked Questions
What is the severity of REDHAT-BUG-1672888?
The severity of REDHAT-BUG-1672888 is categorized as a Denial of Service (DoS) vulnerability.
How do I fix REDHAT-BUG-1672888?
To fix REDHAT-BUG-1672888, you should upgrade to libarchive version 2.8.0 or later.
What is the cause of REDHAT-BUG-1672888?
REDHAT-BUG-1672888 is caused by an infinite loop vulnerability in the ISO9660 parser.
Which versions are affected by REDHAT-BUG-1672888?
Versions of libarchive prior to 2.8.0 are affected by REDHAT-BUG-1672888.
What type of vulnerability is REDHAT-BUG-1672888 classified as?
REDHAT-BUG-1672888 is classified as a CWE-835: Loop with Unreachable Exit Condition vulnerability.
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