Vulnerability Details : CVE-2009-4419
Intel Q35, GM45, PM45 Express, Q45, and Q43 Express chipsets in the SINIT Authenticated Code Module (ACM), which allows local users to bypass the Trusted Execution Technology protection mechanism and gain privileges by modifying the MCHBAR register to point to an attacker-controlled region, which prevents the SENTER instruction from properly applying VT-d protection while an MLE is being loaded.
Products affected by CVE-2009-4419
- cpe:2.3:h:intel:q35_chipset:*:*:*:*:*:*:*:*
- cpe:2.3:h:intel:gm45_chipset:*:*:*:*:*:*:*:*
- cpe:2.3:h:intel:pm45_express_chipset:*:*:*:*:*:*:*:*
- cpe:2.3:h:intel:q45_chipset:*:*:*:*:*:*:*:*
- cpe:2.3:h:intel:q43_express_chipset:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2009-4419
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2009-4419
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
CWE ids for CVE-2009-4419
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-4419
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http://www.securityfocus.com/bid/37430
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http://theinvisiblethings.blogspot.com/2009/12/another-txt-attack.html
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http://www.securitytracker.com/id?1023382
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http://www.vupen.com/english/advisories/2009/3618
Vendor Advisory
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http://invisiblethingslab.com/resources/misc09/Another%20TXT%20Attack.pdf
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http://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00021&languageid=en-fr
Vendor Advisory
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https://exchange.xforce.ibmcloud.com/vulnerabilities/54963
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