Improper input validation in Libarchive
CVE-2016-4809
The archive_read_format_cpio_read_header function in archive_read_support_format_cpio.c in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a CPIO archive with a large symlink.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
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:N/A:H.
EPSS exploit prediction
EPSS: 0.048 (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: 0.048 · newest: 0.048 · 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
Weakness classification (CWE)
References
- github.com/libarchive/libarchive/commit/fd7e0c02 (Patch, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2016-1844.html (vendor-advisory, Third Party Advisory)
- github.com/libarchive/libarchive/issues/705 (Patch, Issue Tracking)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- www.securityfocus.com/bid/91813 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- rhn.redhat.com/errata/RHSA-2016-1850.html (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201701-03 (vendor-advisory)
- www.debian.org/security/2016/dsa-3657 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-4809?
- CVE-2016-4809 is a high-severity vulnerability in Libarchive, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-09-21.
- How severe is CVE-2016-4809?
- High severity. CVSS v3 base score is 7.5 out of 10.