Open-iSCSI log.c denial of service
| openiscsi-log-dos (34943) |  Low Risk |
Description:
Open-iSCSI is vulnerable to a denial of service, caused by insecure permissions on the log.c file's semaphore. A local attacker could exploit this vulnerability to cause a denial of service.
Platforms Affected:
- Debian, Debian Linux 4.0
- Open-iSCSI, Open-iSCSI prior to 2.0-865
- RedHat, Enterprise Linux 5 Client
- RedHat, Enterprise Linux 5 Client Workstation
- RedHat, Enterprise Linux 5 Server
- RedHat, Enterprise Linux 5
- SuSE, SuSE Linux
Remedy:
Upgrade to the latest version of Open-iSCSI (2.0-865 or later), available from the Open-iSCSI Web site. See References.
For Debian/GNU Linux:
Refer to DSA-1314-1 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux:
Refer to RHSA-2007:0497 for patch, upgrade, or suggested workaround information. See References.
For SUSE Linux:
Refer to SUSE-SR:2007:017 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Denial of Service
References:
- Open-iSCSI Web site, Open-iSCSI project: Open-iSCSI - RFC3720 architecture and implementation at http://www.open-iscsi.org/.
- Red Hat Bugzilla Bug 243719, CVE-2007-3099 dos flaws in open-iscsi (CVE-2007-3100) at http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=243719.
- BID-24471: Open ISCSI Multiple Local Denial Of Service Vulnerabilities
- CVE-2007-3100: usr/log.c in iscsid in open-iscsi (iscsi-initiator-utils) before 2.0-865 uses a semaphore with insecure permissions (world-writable/world-readable) for managing log messages using shared memory, which allows local users to cause a denial of service (hang) by grabbing the semaphore.
- DSA-1314: open-iscsi -- several vulnerabilities
- RHSA-2007-0497: Moderate: iscsi-initiator-utils security update
- SECTRACK ID: 1018246: Open-iSCSI Lets Local Users Deny Service
- SUSE-SR:2007:017: SUSE Security Summary Report
Reported:
Jun 07, 2007
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