CVE-2019-9704
MEDIUMCVSS 5.5/10EPSS 0.35%
Last modified
CVE-2019-9704 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cron Project | Cron | < 3.0pl1-133 |
| Fedoraproject | Fedora | 29 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
References
- http://www.securityfocus.com/bid/107373Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/03/msg00025.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00029.htmlMailing List, Third Party Advisory
- https://salsa.debian.org/debian/cron/commit/f2525567Patch, Third Party Advisory
- http://www.securityfocus.com/bid/107373Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/03/msg00025.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00029.htmlMailing List, Third Party Advisory
- https://salsa.debian.org/debian/cron/commit/f2525567Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2019-9704?
CVE-2019-9704 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9704?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-9704?
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Scan your code nowSource: NVD / NIST