CVE-2007-1856

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-04-18 · updated 2026-06-16

Description

Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c.

Affected products

Paul Vixie Vixie Cron: through 4.1

References

http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html
http://rhn.redhat.com/errata/RHSA-2007-0345.html
http://secunia.com/advisories/24905
http://secunia.com/advisories/24995
http://secunia.com/advisories/25321
http://secunia.com/advisories/25723
http://secunia.com/advisories/26909
http://secunia.com/advisories/27706
http://secunia.com/advisories/27886
http://security.gentoo.org/glsa/glsa-200704-11.xml
http://support.avaya.com/elmodocs2/security/ASA-2007-261.htm
http://www.mandriva.com/security/advisories?name=MDKSA-2007:234

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