National Cyber-Alert System
Vulnerability Summary for CVE-2005-0109
Original release date:03/05/2005
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
Hyper-Threading technology, as used in FreeBSD and other operating systems that are run on Intel Pentium and other processors, allows local users to use a malicious thread to create covert channels, monitor the execution of other threads, and obtain sensitive information such as cryptographic keys, via a timing attack on memory cache misses.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
Official Statement from Red Hat (03/14/2007)
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#911878
Name: VU#911878
Type: Advisory
External Source: BID
Name: 12724
Type: Advisory; Patch Information
External Source: VUPEN
Name: ADV-2005-0540
Type: Advisory; Patch Information
External Source: SECTRACK
Name: 1013967
Type: Advisory; Patch Information
External Source: REDHAT
Name: RHSA-2005:800
External Source: REDHAT
Name: RHSA-2005:476
External Source: VUPEN
Name: ADV-2005-3002
External Source: MISC
Name: http://www.daemonology.net/papers/htt.pdf
External Source: MISC
Name: http://www.daemonology.net/hyperthreading-considered-harmful/
External Source: MISC
Name: http://www-1.ibm.com/support/docview.wss?uid=isg1SSRVHMCHMC_C081516_754
External Source: SUNALERT
Name: 101739
Type: Advisory
External Source: SECUNIA
Name: 18165
External Source: SECUNIA
Name: 15348
External Source: MLIST
Name: [openbsd-misc] 20050304 Re: FreeBSD hiding security stuff
External Source: MLIST
Name: [freebsd-security] 20050304 [Fwd: Re: FW:FreeBSD hiding security stuff]
External Source: MLIST
Name: [freebsd-hackers] 20050304 Re: FW:FreeBSD hiding security stuff
External Source: SCO
Name: SCOSA-2005.24
