Improper input validation in Arcabit Arcavir 2009 Antivirus Protection

CVE-2009-1824

The ps_drv.sys kernel driver in ArcaBit ArcaVir 2009 Antivirus Protection 9.4.3201.9 and earlier, ArcaVir 2009 Internet Security 9.4.3202.9 and earlier, ArcaVir 2009 System Protection 9.4.3203.9 and earlier, and ArcaBit 2009 Home Protection 9.4.3204.9 and earlier, allows local users to gain privileges via crafted METHOD_NEITHER IOCTL requests to \Device\ps_drv containing arbitrary kernel addresses, as demonstrated using the (1) 0x2A7B802B and possibly (2) 0x2A7B8004 and (3) 0x2A7B802F IOCTLs.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

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: 0.010 (60.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2009-1824: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

References