Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Hpc Node | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Oracle | Linux | 6 |
| Redhat | Openshift | 3.1 |
| Libarchive | Libarchive | <= 3.2.0 |
| Redhat | Enterprise Linux Hpc Node Eus | 7.2 |
| Redhat | Enterprise Linux Server Aus | 7.2 |
| Redhat | Enterprise Linux Server Eus | 7.2 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1850.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/09/2ExploitTechnical Description
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.hThird Party Advisory
- http://www.securityfocus.com/bid/93165
- https://access.redhat.com/errata/RHSA-2016:1852Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1853Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1362601Issue TrackingThird Party AdvisoryVDB Entry
- https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4fExploitTechnical Description
- https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb75Patch
- https://github.com/libarchive/libarchive/issues/746ExploitPatch
- https://security.gentoo.org/glsa/201701-03
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1850.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/09/2ExploitTechnical Description
FAQ
What is CVE-2016-5418?
CVE-2016-5418 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2016-5418?
CVE-2016-5418 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-5418?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Oracle Linux.