Improper input validation in Libarchive
CVE-2016-5418
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.047 (91.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: -0.000
Affected products
- Libarchive
- Oracle Linux — versions 6, 7
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Hpc Node — versions 6.0, 7.0
- Red Hat Enterprise Linux Hpc Node Eus — versions 7.2
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.2
- Red Hat Enterprise Linux Server Eus — versions 7.2
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
- Red Hat Openshift — versions 3.1, 3.2
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (VDB Entry, Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHSA-2016:1852 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2016:1853 (vendor-advisory, Third Party Advisory)
- github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9 (Patch)
- rhn.redhat.com/errata/RHSA-2016-1844.html (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4f (Technical Description, Exploit)
- github.com/libarchive/libarchive/issues/746 (Exploit, Patch)
- rhn.redhat.com/errata/RHSA-2016-1850.html (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201701-03 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-5418?
- CVE-2016-5418 is a high-severity vulnerability in Libarchive, classified under CWE-19. CVSS score: 7.5/10. Published 2016-09-21.
- How severe is CVE-2016-5418?
- High severity. CVSS v3 base score is 7.5 out of 10.