Integer overflow in Libarchive
CVE-2016-5844
Integer overflow in the ISO parser in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a crafted ISO file.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.041 (90.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000
Affected products
- Libarchive
- Oracle Linux — versions 6, 7
- Oracle Solaris — versions 11.3
- 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)
Public proof-of-concept exploits
References
- github.com/libarchive/libarchive/commit/3ad08e01b4d253c66ae56414886089684155af22 (Exploit)
- github.com/libarchive/libarchive/issues/717 (Exploit)
- rhn.redhat.com/errata/RHSA-2016-1844.html (vendor-advisory, Third Party Advisory)
- blog.fuzzing-project.org/48-Out-of-bounds-read-and-signed-integer-overflow-in-l… (Exploit, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- www.securityfocus.com/bid/91808 (VDB Entry, Third Party Advisory, vdb-entry)
- www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html (Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/06/24/4 (mailing-list, Mailing List)
- www.openwall.com/lists/oss-security/2016/06/23/6 (mailing-list, Mailing List)
- rhn.redhat.com/errata/RHSA-2016-1850.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-5844?
- CVE-2016-5844 is a medium-severity vulnerability in Libarchive, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2016-09-21.
- How severe is CVE-2016-5844?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2016-5844 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.