CVE-2007-5633
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.94% probability · 59th percentile
- CISA KEV
- Not listed
- Affected
- almico/speedfan
- Source
- cve@mitre.org
References
- http://osvdb.org/41842
- http://secunia.com/advisories/27312
- http://www.bugtrack.almico.com/view.php?id=987Exploit
- http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1
- http://www.securityfocus.com/bid/26123Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37298
- http://osvdb.org/41842
- http://secunia.com/advisories/27312
- http://www.bugtrack.almico.com/view.php?id=987Exploit
- http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1
- http://www.securityfocus.com/bid/26123Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37298
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.