CVE-2016-5418: Input Validation
First published: Tue Aug 02 2016(Updated: )
The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libarchive | <3.2.2 | 3.2.2 |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux HPC Node | =6.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Oracle Linux | =6 | |
| Oracle Linux | =7 | |
| Red Hat OpenShift | =3.1 | |
| Red Hat OpenShift | =3.2 | |
| Oracle Libarchive | <=3.2.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux HPC Node | =7.0 | |
| Red Hat Enterprise Linux HPC Node | =7.2 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =7.2 | |
| Red Hat Enterprise Linux Server | =7.2 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://rhn.redhat.com/errata/RHSA-2016-1850.html
- http://www.openwall.com/lists/oss-security/2016/08/09/2
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/93165
- https://access.redhat.com/errata/RHSA-2016:1852
- https://access.redhat.com/errata/RHSA-2016:1853
- https://bugzilla.redhat.com/show_bug.cgi?id=1362601
- https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4f
- https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9
- https://github.com/libarchive/libarchive/issues/746
- https://security.gentoo.org/glsa/201701-03
- https://github.com/libarchive/libarchive/issues/743
- https://github.com/libarchive/libarchive/issues/744
- https://github.com/libarchive/libarchive/issues/745
- http://seclists.org/oss-sec/2016/q3/255
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1189473&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1189473&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1189474&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1189474&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1362601#c5
- https://github.com/stevegrubb/security-assessor/
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1190259&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1190259&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1190260&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1190260&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1362601#c7
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1375281
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1375282
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1375280
- https://rhn.redhat.com/errata/RHSA-2016-1850.html
- https://rhn.redhat.com/errata/RHSA-2016-1844.html
- https://github.com/libarchive/libarchive/commits/master
Frequently Asked Questions
What is the severity of CVE-2016-5418?
CVE-2016-5418 is classified as a moderate severity vulnerability.
How do I fix CVE-2016-5418?
To fix CVE-2016-5418, upgrade libarchive to version 3.2.2 or later.
What are the potential impacts of CVE-2016-5418?
CVE-2016-5418 could allow remote attackers to write to arbitrary files on the system.
Which versions of libarchive are affected by CVE-2016-5418?
CVE-2016-5418 affects libarchive versions 3.2.0 and earlier.
Is CVE-2016-5418 relevant to Red Hat Enterprise Linux users?
Yes, CVE-2016-5418 specifically affects several Red Hat Enterprise Linux versions including 6.0 and 7.0.
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