CVE-2016-4302: Buffer Overflow
First published: Wed Sep 21 2016(Updated: )
Heap-based buffer overflow in the parse_codes function in archive_read_support_format_rar.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a RAR file with a zero-sized dictionary.
Credit: cret@cert.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat enterprise Linux desktop | =7.0 | |
| Red Hat Enterprise Linux HPC Node | =7.0 | |
| Red Hat Enterprise Linux HPC Node | =7.2 | |
| redhat enterprise Linux server | =7.0 | |
| redhat enterprise Linux server aus | =7.2 | |
| redhat enterprise Linux server eus | =7.2 | |
| redhat enterprise Linux workstation | =7.0 | |
| libarchive | <=3.2.0 |
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Reference Links
- http://blog.talosintel.com/2016/06/the-poisoned-archives.html
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1348444
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/91331
- http://www.talosintel.com/reports/TALOS-2016-0154/
- https://github.com/libarchive/libarchive/commit/05caadc7eedbef471ac9610809ba683f0c698700
- https://github.com/libarchive/libarchive/issues/719
- https://security.gentoo.org/glsa/201701-03
Frequently Asked Questions
What is the severity of CVE-2016-4302?
CVE-2016-4302 is rated as a high severity vulnerability due to the potential for remote code execution.
How do I fix CVE-2016-4302?
To fix CVE-2016-4302, update libarchive to version 3.2.1 or later.
Which software is affected by CVE-2016-4302?
CVE-2016-4302 affects multiple versions of Red Hat Enterprise Linux and libarchive versions up to 3.2.0.
What type of vulnerability is CVE-2016-4302?
CVE-2016-4302 is a heap-based buffer overflow vulnerability.
What attack vector does CVE-2016-4302 use?
CVE-2016-4302 can be exploited by remote attackers through specially crafted RAR files.
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/weakness
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/redhat
- canonical/redhat enterprise linux desktop
- version/redhat enterprise linux desktop/7.0
- canonical/red hat enterprise linux hpc node
- version/red hat enterprise linux hpc node/7.0
- version/red hat enterprise linux hpc node/7.2
- canonical/redhat enterprise linux server
- version/redhat enterprise linux server/7.0
- canonical/redhat enterprise linux server aus
- version/redhat enterprise linux server aus/7.2
- canonical/redhat enterprise linux server eus
- version/redhat enterprise linux server eus/7.2
- canonical/redhat enterprise linux workstation
- version/redhat enterprise linux workstation/7.0
- vendor/libarchive
- canonical/libarchive
- version/libarchive/3.2.0