CVE-2006-1056
Vulnérabilité non évaluée
Description
The Linux kernel before 2.6.16.9 and the FreeBSD kernel, when running on AMD64 and other 7th and 8th generation AuthenticAMD processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one process to determine portions of the state of floating point instructions of other processes, which can be leveraged to obtain sensitive information such as cryptographic keys. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels.
Gravité et risque d'exploitation
CVE-2006-1056 obtient un score CVSS de 0.0/10, soit une gravité non évaluée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.46 %, ce qui la place devant 38.4 % des CVE référencées.
Que faire ?
- Vérifiez si le produit concerné est présent sur votre parc.
- Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
- À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
- Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.
Références
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9995
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=187911
- http://www.redhat.com/support/errata/RHSA-2006-0437.html
- http://secunia.com/advisories/22876
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.9
- http://secunia.com/advisories/19735
- http://www.vupen.com/english/advisories/2006/4502
- http://www.vupen.com/english/advisories/2006/2554
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=187910
- http://www.redhat.com/support/errata/RHSA-2006-0579.html
- http://secunia.com/advisories/20716
- http://secunia.com/advisories/22875
- http://lwn.net/Alerts/180820/
- http://secunia.com/advisories/21136
- http://www.ubuntu.com/usn/usn-302-1
- http://kb.vmware.com/kb/2533126
- http://www.osvdb.org/24746
- http://www.osvdb.org/24807
- http://secunia.com/advisories/21983
- http://www.vupen.com/english/advisories/2006/4353
- http://secunia.com/advisories/21035
- http://www.vmware.com/download/esx/esx-213-200610-patch.html
- http://www.debian.org/security/2006/dsa-1097
- http://www.redhat.com/support/errata/RHSA-2006-0575.html
- http://www.novell.com/linux/security/advisories/2006-05-31.html
- http://www.securityfocus.com/archive/1/451421/100/0/threaded
- http://www.vupen.com/english/advisories/2006/1426
- http://secunia.com/advisories/19715
- http://securitytracker.com/id?1015966
- http://www.securityfocus.com/archive/1/431341
- http://www.securityfocus.com/bid/17600
- http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm
- http://www.debian.org/security/2006/dsa-1103
- http://www.vmware.com/download/esx/esx-254-200610-patch.html
- http://secunia.com/advisories/21465
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://marc.info/?l=linux-kernel&m=114548768214478&w=2
- http://www.vupen.com/english/advisories/2006/1475
- http://www.securityfocus.com/archive/1/451404/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25871
- http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
- http://secunia.com/advisories/20398
- http://www.securityfocus.com/archive/1/451417/100/200/threaded
- http://security.freebsd.org/advisories/FreeBSD-SA-06:14-amd.txt
- http://secunia.com/advisories/22417
- http://secunia.com/advisories/19724
- http://secunia.com/advisories/20671
- http://www.securityfocus.com/archive/1/451419/100/200/threaded
- http://secunia.com/advisories/20914
