Vixie Cron do_command.c privilege escalation
| vixie-cron-docommand-gain-privilege (26691) |  High Risk |
Description:
Vixie Cron could allow a local attacker to gain elevated privileges, caused by improper checking of the return code of a setuid call in do_command.c. If setuid fails, a local attacker could gain root privileges on the system.
Platforms Affected:
- Canonical, Ubuntu 6.06 LTS
- Canonical, Ubuntu 8.04 LTS
- Canonical, Ubuntu 8.10
- Gentoo, Linux
- Novell, UnitedLinux 1.0
- Paul Vixie, Vixie Cron 4.1
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 ES
- SuSE, Linux Enterprise Server 8
- SuSE, SuSE Linux 10.0
- SuSE, SuSE Linux 10.1
- SuSE, SuSE Linux 9.1
- SuSE, SuSE Linux 9.2
- SuSE, SuSE Linux 9.3
- SuSE, SuSE Linux Desktop 1.0
- SuSE, SuSE SLES 9
- Turbolinux, Turbolinux 10 Desktop
- Turbolinux, Turbolinux 10 F...
- Turbolinux, Turbolinux 10 Server
- Turbolinux, Turbolinux 10 Server x64 Ed
- Turbolinux, Turbolinux 7 Server
- Turbolinux, Turbolinux 8 Server
- Turbolinux, Turbolinux FUJI
- Turbolinux, Turbolinux Home
- Turbolinux, Turbolinux Multimedia
- Turbolinux, Turbolinux Personal
- Turbolinux, Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux, Turbolinux Appliance Server 1.0 Workgroup Ed
- Turbolinux, Turbolinux Appliance Server 2.0
Remedy:
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-06-07 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux:
Refer to RHSA-2006:0539-9 for patch, upgrade, or suggested workaround information. See References.
For SUSE Linux:
Refer to SUSE Security Announcement SUSE-SA:2006:027 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Gain Privileges
References:
- Full-disclosure Mailing List, Thu May 25 2006 - 15:12:30 CDT, rPSA-2006-0082-2 vixie-cron at http://archives.neohapsis.com/archives/fulldisclosure/2006-05/0641.html.
- Rpath Bugzilla Bug 1166, Bug 1166 - non-default vixie-cron configuration provides root privilege escalation at http://bugs.rpath.com/show_bug.cgi?id=1166.
- ASA-2006-168: vixie-cron security update (RHSA-2006-0539)
- BID-18108: Vixie Cron PAM_Limits Local Privilege Escalation Vulnerability
- CVE-2006-2607: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow local users to gain root privileges if setuid fails in cases such as PAM failures or resource limits, as originally demonstrated by a program that exceeds the process limits as defined in /etc/security/limits.conf.
- GLSA-200606-07: Vixie Cron: Privilege Escalation
- RHSA-2006-0539: vixie-cron security update
- SA20380: Vixie Cron "do_command.c" setuid Security Issue
- SA21702: Avaya Products Vixie Cron Security Issue
- SECTRACK ID: 1016480: Vixie Cron `do_command.c` May Let Local Users Gain Elevated Privileges
- SUSE-SA:2006:027: cron local privilege escalation
Reported:
May 25, 2006
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