Improper input validation in GNU Cpio
CVE-2019-14866
In all versions of cpio before 2.13 does not properly validate input files when generating TAR archives. When cpio is used to create TAR archives from paths an attacker can write to, the resulting archive may contain files with permissions the attacker did not have or in paths he did not have access to. Extracting those archives from a high-privilege user without carefully reviewing them may lead to the compromise of the system.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- GNU Cpio
- Red Hat Cpio — versions All cpio versions before 2.13
- Red Hat Enterprise Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Exploit, Patch, Third Party Advisory, Mitigation, Issue Tracking)
- lists.gnu.org/archive/html/bug-cpio/2019-08/msg00003.html (Patch, Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/bug-cpio/2019-11/msg00000.html (Exploit, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/06/msg00007.html
Frequently asked questions
- What is CVE-2019-14866?
- CVE-2019-14866 is a high-severity vulnerability in GNU Cpio, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2020-01-07.
- How severe is CVE-2019-14866?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2019-14866 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.