CVE-2005-0109

moderate-risk
Published 2005-03-05

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.

Do I need to act?

-
0.14% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.6/10 Medium
LOCAL / HIGH complexity

Affected Products (20)

Affected Vendors

Ubuntu Sco Sun Redhat Freebsd

References (36)

Third Party Advisory ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.24/SCOSA-2005.24.txt
Mailing List http://marc.info/?l=freebsd-hackers&m=110994026421858&w=2
Mailing List http://marc.info/?l=freebsd-security&m=110994370429609&w=2
Mailing List http://marc.info/?l=openbsd-misc&m=110995101417256&w=2
Permissions Required http://secunia.com/advisories/15348
Permissions Required http://secunia.com/advisories/18165
Patch http://securitytracker.com/id?1013967
Vendor Advisory http://sunsolve.sun.com/search/document.do?assetkey=1-26-101739-1
Broken Link http://www-1.ibm.com/support/docview.wss?uid=isg1SSRVHMCHMC_C081516_754
Third Party Advisory http://www.daemonology.net/hyperthreading-considered-harmful/
Third Party Advisory http://www.daemonology.net/papers/htt.pdf
Third Party Advisory http://www.kb.cert.org/vuls/id/911878
Not Applicable http://www.redhat.com/support/errata/RHSA-2005-476.html
Not Applicable http://www.redhat.com/support/errata/RHSA-2005-800.html
Patch http://www.securityfocus.com/bid/12724
Permissions Required http://www.vupen.com/english/advisories/2005/0540
Permissions Required http://www.vupen.com/english/advisories/2005/3002
Third Party Advisory https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3...
Third Party Advisory ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.24/SCOSA-2005.24.txt
Mailing List http://marc.info/?l=freebsd-hackers&m=110994026421858&w=2
and 16 more references
47
/ 100
moderate-risk
Severity 15/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 31/34 · Critical