OSVDB ID: 15514

Title: FreeBSD ifconf() Function Kernel Memory Disclosure

Info

Disclosure

Apr 15, 2005

Discovery

Unknown

Dates

Exploit

Apr 15, 2005

Solution

Unknown

Description

FreeBSD contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when a local user generates a list of network interfaces and the "SIOCGICONF" ioctl fails to zero out the buffer, which may cause up to 12 bytes of potentially sensitive information from previously cached kernel memory to be disclosed to the user process, resulting in a loss of confidentiality.

Classification

Location: Local Access Required
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Exploit: Exploit Public
Disclosure: OSVDB Verified

Solution

Upgrade to version 5.4 or higher, as it has been reported to fix this vulnerability. In addition, the following patches have been released for some older versions. 2005-04-15 01:52:25 UTC (RELENG_5_3, 5.3-RELEASE-p9) 2005-04-15 01:52:40 UTC (RELENG_4, 4.11-STABLE) 2005-04-15 01:52:57 UTC (RELENG_4_11, 4.11-RELEASE-p3) 2005-04-15 01:53:14 UTC (RELENG_4_10, 4.10-RELEASE-p8)

Products

FreeBSD Project

FreeBSD

4.x
5.0
5.1
5.2
5.3
5.4
5.3-RELEASE-p9
4.11-STABLE
4.11-RELEASE-p3
4.10-RELEASE-p8

References

Credit

  • Ilja van Sprundel -


Direct URL: http://osvdb.org/15514