SUN Solaris UFS File System Denial of Service
Secunia Advisory: SA16924
Release Date: 2005-09-23
Last Update: 2005-10-04
Popularity: 9,207 views

Critical:
Less critical
Impact: DoS
Where: Local system
Solution Status: Vendor Patch

OS:Sun Solaris 8
Sun Solaris 9

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CVE reference:CVE-2005-3071


Description:
A vulnerability has been reported in Solaris, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

The vulnerability is caused due to an unspecified error in the UFS (Unix File System). This can be exploited by unprivileged users with "write" access to cause a "soft hang" of the system.

Successful exploitation requires that UFS logging is enabled.

The vulnerability has been reported in Solaris 8 and 9 on both SPARC and x86 platforms.

Solution:
Apply patches.

-- SPARC Platform --

Solaris 8:
Apply patch 116950-05 or later.

Solaris 9:
Apply patch 117427-03 or later.

-- x86 Platform --

Solaris 8:
Apply patch 116951-05 or later.

Solaris 9:
Apply patch 117476-01 or later.

Provided and/or discovered by:
Reported by vendor.

Changelog:
2005-10-04: Added CVE reference.

Original Advisory:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101940-1


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