Vulnerability in Intel Gm45 Chipset
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (34.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- security-center.intel.com/advisory.aspx (Vendor Advisory)
- www.securitytracker.com/id (vdb-entry)
- www.securityfocus.com/bid/37430 (vdb-entry)
- osvdb.org/61248 (vdb-entry)
- invisiblethingslab.com/resources/misc09/Another TXT Attack.pdf
- www.vupen.com/english/advisories/2009/3618 (vdb-entry, Vendor Advisory)
- secunia.com/advisories/37900 (Vendor Advisory, third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/54963 (vdb-entry)
- theinvisiblethings.blogspot.com/2009/12/another-txt-attack.html