NULL pointer dereference in Cron Project
CVE-2019-9704
Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (daemon crash) via a large crontab file because the calloc return value is not checked.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cron Project
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 29
Weakness classification (CWE)
Public proof-of-concept exploits
References
- salsa.debian.org/debian/cron/commit/f2525567 (Patch, Third Party Advisory)
- www.securityfocus.com/bid/107373 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2019/03/msg00025.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/10/msg00029.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-9704?
- CVE-2019-9704 is a medium-severity vulnerability in Cron Project, classified under CWE-252. CVSS score: 5.5/10. Published 2019-03-12.
- How severe is CVE-2019-9704?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-9704 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.