Vulnerability Description
Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer overflow.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libarchive | Libarchive | <= 3.2.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Hpc Node | 7.0 |
| Redhat | Enterprise Linux Hpc Node Eus | 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 |
Related Weaknesses (CWE)
References
- http://blog.talosintel.com/2016/06/the-poisoned-archives.htmlExploitThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- 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.h
- http://www.securityfocus.com/bid/91326Third Party AdvisoryVDB Entry
- http://www.talosintel.com/reports/TALOS-2016-0152/ExploitThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1348439Issue Tracking
- https://github.com/libarchive/libarchive/commit/e79ef306afe332faf22e9b442a2c6b59Issue TrackingPatchThird Party Advisory
- https://github.com/libarchive/libarchive/issues/718Issue TrackingPatchThird Party Advisory
- https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00062&languagei
- https://security.gentoo.org/glsa/201701-03
- http://blog.talosintel.com/2016/06/the-poisoned-archives.htmlExploitThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3657
FAQ
What is CVE-2016-4300?
CVE-2016-4300 is a vulnerability with a CVSS score of 7.8 (HIGH). Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large num...
How severe is CVE-2016-4300?
CVE-2016-4300 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4300?
Check the references section above for vendor advisories and patch information. Affected products include: Libarchive Libarchive, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Hpc Node Eus, Redhat Enterprise Linux Server.