NULL pointer dereference in Libarchive
CVE-2015-8917
bsdtar in libarchive before 3.2.0 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an invalid character in the name of a cab 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:N/A:H.
EPSS exploit prediction
EPSS: 0.043 (90.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
- Libarchive
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-3033-1 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1844.html (vendor-advisory)
- blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html (Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- github.com/libarchive/libarchive/issues/505
- www.securityfocus.com/bid/91303 (vdb-entry)
- www.openwall.com/lists/oss-security/2016/06/17/2 (mailing-list, Third Party Advisory)
- security.gentoo.org/glsa/201701-03 (vendor-advisory)
- security-tracker.debian.org/tracker/CVE-2015-8917 (Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/06/17/5 (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8917?
- CVE-2015-8917 is a high-severity vulnerability in Libarchive, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2016-09-20.
- How severe is CVE-2015-8917?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-8917 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.