CVE-2005-0109 - Unsensed Voucher

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/12724 http://www.daemonology.net/papers/htt.pdf http://www.daemonology.net/hyperthreading-considered-harmful/ ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.24/SCOSA-2005.24.txt http://sunsolve.sun.com/search/document.do?assetkey=1-26-101739-1 http://www.kb.cert.org/vuls/id/911878 http://securitytracker.com/id?1013967 http://www-1.ibm.com/support/docview.wss?uid=isg1SSRVHMCHMC_C081516_754 http://secunia.com/advisories/15348 http://secunia.com/advisories/18165 http://www.redhat.com/support/errata/RHSA-2005-476.html http://www.redhat.com/support/errata/RHSA-2005-800.html http://www.vupen.com/english/advisories/2005/3002 http://www.vupen.com/english/advisories/2005/0540 http://marc.info/?l=freebsd-security&m=110994370429609&w=2 http://marc.info/?l=freebsd-hackers&m=110994026421858&w=2 http://marc.info/?l=openbsd-misc&m=110995101417256&w=2 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9747

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.6