#VU72129 Buffer overflow in iQVW32.SYS and iQVW64.SYS - CVE-2015-2291

Vulnerability identifier: #VU72129

Vulnerability risk: High

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2015-2291

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
iQVW32.SYS
Hardware solutions / Drivers
iQVW64.SYS
Hardware solutions / Drivers

Vendor: Intel

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the 0x80862013, 0x8086200B, 0x8086200F, and 0x80862007 IOCTL calls in the Intel Ethernet diagnostics driver for Windows. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild since December 2022 by Scattered Spider (aka Roasted 0ktapus or UNC3944).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

iQVW32.SYS: before 1.3.1.0

iQVW64.SYS: before 1.3.1.0

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00051.html
https://www.crowdstrike.com/blog/scattered-spider-attempts-to-avoid-detection-with-bring-your-own-vulnerable-driver-tactic/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.