NVIDIA Windows GPU Display Driver DirectX 10 Usermode Driver memory corruption

Summaryinfo

A vulnerability identified as critical has been detected in NVIDIA Windows GPU Display Driver. Affected by this issue is some unknown functionality of the component DirectX 10 Usermode Driver. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2018-6251. The attack must be carried out locally. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in NVIDIA Windows GPU Display Driver (Hardware Driver Software) (affected version not known). It has been rated as problematic. This issue affects some unknown functionality of the component DirectX 10 Usermode Driver. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA Windows GPU Display Driver contains a vulnerability in DirectX 10 Usermode driver, where specially crafted pixel shader can cause writing to unallocated memory leading to denial of service or potential code execution.

The bug was discovered 03/28/2018. The weakness was presented 04/02/2018 (Website). It is possible to read the advisory at nvidia.custhelp.com. The identification of this vulnerability is CVE-2018-6251 since 01/25/2018. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 108852 (Amazon Linux AMI : nvidia (ALAS-2018-991)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351222 (Amazon Linux Security Advisory for nvidia: ALAS-2018-991).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (108852). See VDB-115519, VDB-115520, VDB-115521 and VDB-115522 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Hardware Driver Software

Vendor

• NVIDIA

Name

• Windows GPU Display Driver

License

• commercial

Website

• Vendor: https://www.nvidia.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion