7.2high

CVE-2007-56331 exploit

Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, allows local users to read or write arbi…

Published 19 y ago · modified 4 mo ago · JSON

CVSS
7.2
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.9%
percentile 61%
Public exploits
1
Exploit-DB

Summary

Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, allows local users to read or write arbitrary MSRs, and gain privileges and load unsigned drivers, via the (1) IOCTL_RDMSR 0x9C402438 and (2) IOCTL_WRMSR 0x9C40243C IOCTLs to \Device\speedfan, as demonstrated by an IOCTL_WRMSR action on MSR_LSTAR.

Exploit prediction (EPSS)

0.94% probability of exploitation in the next 30 days, higher than 61% of all scored CVEs.

Exploits and detections

  • EDB-30681 SpeedFan - 'Speedfan.sys' Local Privilege Escalation · local · 2007-10-18

CVSS scores

Assigned byVersionScoreVector
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

References

  • exchange.xforce.ibmcloud.com /vulnerabilities/37298 · vdb-entry, x_refsource_XF, x_transferred
  • osvdb.org /41842 · vdb-entry, x_refsource_OSVDB, x_transferred
  • reversemode.com /index.php?option=com_content&task=view&id=42&Itemid=1 · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/26123 · vdb-entry, x_refsource_BID, x_transferred
  • secunia.com /advisories/27312 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • bugtrack.almico.com /view.php?id=987 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.