CVE-2007-3100
First published: Thu Jun 14 2007(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Enterprise Linux | =5.0 | |
| Red Hat Enterprise Linux | =5.0 | |
| SUSE Libopeniscsiusr0 | <=2.0-864 |
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Reference Links
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=243719
- http://svn.berlios.de/viewcvs/open-iscsi?rev=858&view=rev
- http://www.redhat.com/support/errata/RHSA-2007-0497.html
- http://secunia.com/advisories/25679
- http://support.novell.com/techcenter/psdb/187174044e1dbe78726bcf840f7530ed.html
- http://www.debian.org/security/2007/dsa-1314
- http://www.novell.com/linux/security/advisories/2007_17_sr.html
- http://www.securityfocus.com/bid/24471
- http://www.securitytracker.com/id?1018246
- http://secunia.com/advisories/25749
- http://secunia.com/advisories/26438
- http://secunia.com/advisories/26543
- http://osvdb.org/37270
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34943
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10653
Frequently Asked Questions
What is CVE-2007-3100?
CVE-2007-3100 is a vulnerability in iscsid within open-iscsi prior to version 2.0-865 that allows local users to cause a denial of service by exploiting a semaphore with insecure permissions.
What is the severity of CVE-2007-3100?
The severity of CVE-2007-3100 is considered to be moderate due to its potential to cause a denial of service but not allowing remote exploitation.
How do I fix CVE-2007-3100?
To fix CVE-2007-3100, upgrade to a version of open-iscsi that is 2.0-865 or higher.
Who is affected by CVE-2007-3100?
Users of open-iscsi prior to version 2.0-865, especially on Red Hat Enterprise Linux 5.0, are affected by CVE-2007-3100.
What kind of attack is possible with CVE-2007-3100?
CVE-2007-3100 can be exploited by local users to hang the system by manipulating shared memory semaphore permissions.
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- version/suse libopeniscsiusr0/2.0-864