CVE-2019-9705
First published: Tue Mar 12 2019(Updated: )
Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (memory consumption) via a large crontab file because an unlimited number of lines is accepted.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cron | <3.0pl1-133 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Fedora | =29 |
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Reference Links
- http://www.securityfocus.com/bid/107378
- https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html
- https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6DU7HAUAQR4E4AEBPYLUV6FZ4PHKH6A2/
- https://salsa.debian.org/debian/cron/commit/26814a26
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6DU7HAUAQR4E4AEBPYLUV6FZ4PHKH6A2/
Frequently Asked Questions
What is the severity of CVE-2019-9705?
CVE-2019-9705 has a severity level classified as high due to its potential to cause denial of service through memory consumption.
How do I fix CVE-2019-9705?
To fix CVE-2019-9705, update to the latest version of the Cron package that is patched against this vulnerability.
Who is affected by CVE-2019-9705?
CVE-2019-9705 affects users of Vixie Cron versions before 3.0pl1-133 on Debian and Fedora operating systems.
What kind of attack vector is involved in CVE-2019-9705?
CVE-2019-9705 can be exploited by local users who can create excessively large crontab files that lead to denial of service.
Is CVE-2019-9705 a critical vulnerability?
While CVE-2019-9705 is serious due to its denial of service potential, it is not classified as critical as it requires local user access.
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- version/debian/9.0
- vendor/fedoraproject
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- version/fedora/29