Sun Solaris loopback file system denial of service
| solaris-loopbackfs-dos (32140) |  Medium Risk |
Description:
Sun Solaris is vulnerable to a denial of service, caused by an error in mounted loopback file systems (LOFS). An authenticated local attacker inside a non-global zone could move read-only files, making the files unavailable to the non-global and global zones.
*CVSS:
| Base Score: | 1.5 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 1.1 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to Sun Alert ID: 102699 for patch, upgrade, or suggested workaround information. See References.
References:
- Sun Alert ID: 102699: A Security Vulnerability in the Solaris 10 Loopback FileSystem (LOFS) May Allow Files in a Non-global Zone to be Moved or Renamed From a Read-Only Fileystem.
- ASA-2007-098: A Security Vulnerability in the Solaris 10 Loopback Filesystem (LOFS) May Allow Files in a Non-global Zone to be Moved or Renamed From a Read-Only Filesystem
- BID-22364: Sun Solaris Loopback FileSystem Local Denial of Service Vulnerability
- CVE-2007-0668: The Loopback Filesystem (LOFS) in Sun Solaris 10 allows local users in a non-global zone to move and rename files in a read-only filesystem, which could lead to a denial of service.
- SA23996: Solaris 10 Loopback FileSystem Security Bypass
- SECTRACK ID: 1017582: Solaris Loopback FileSystem Lets Local Users Move or Rename Read-only Files
- VUPEN/ADV-2007-0462: Sun Solaris Loopback FileSystem Non-global Zone Denial of Service Vulnerability
Platforms Affected:
- Sun Solaris 10 x86
- Sun Solaris 10 SPARC
Reported:
Feb 01, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.