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 Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux | Gentoo | * | * |
| Red Hat Enterprise Linux 3 | RedHat | vixie-cron-0:4.1-19.EL3 | * |
| Red Hat Enterprise Linux 4 | RedHat | vixie-cron-4:4.1-47.EL4 | * |
| Red Hat Enterprise Linux 5 | RedHat | vixie-cron-4:4.1-70.el5 | * |
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
- http://www.novell.com/linux/security/advisories/2007_007_suse.html
- http://www.securityfocus.com/bid/23520
- http://www.securitytracker.com/id?1018081
- http://www.vupen.com/english/advisories/2007/3229
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11463
- 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
- http://www.novell.com/linux/security/advisories/2007_007_suse.html
- http://www.securityfocus.com/bid/23520
- http://www.securitytracker.com/id?1018081
- http://www.vupen.com/english/advisories/2007/3229
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11463