Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2019-9704
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:a:cron_project:cron:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9704
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9704
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2019-9704
-
The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.Assigned by: nvd@nist.gov (Primary)
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9704
-
http://www.securityfocus.com/bid/107373
Vixie Cron CVE-2019-9704 Use After Free Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://salsa.debian.org/debian/cron/commit/f2525567
SECURITY: DoS: Fix unchecked return of calloc() (f2525567) · Commits · Debian / cron · GitLabPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html
[SECURITY] [DLA 1723-1] cron security updateMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6DU7HAUAQR4E4AEBPYLUV6FZ4PHKH6A2/
[SECURITY] Fedora 29 Update: cronie-1.5.4-1.fc29 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html
[SECURITY] [DLA 2801-1] cron security updateMailing List;Third Party Advisory
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