Qualcomm Snapdragon Auto up to SXR1130 fastrpc Memory Mapping API toctou

Summaryinfo

A vulnerability has been found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile and Snapdragon Wearables and classified as problematic. This affects an unknown function of the component fastrpc Memory Mapping API. This manipulation causes toctou. This vulnerability is tracked as CVE-2020-3680. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile and Snapdragon Wearables (Chip Software). It has been declared as critical. Affected by this vulnerability is an unknown part of the component fastrpc Memory Mapping API. The manipulation with an unknown input leads to a toctou vulnerability. The CWE definition for the vulnerability is CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A race condition can occur when using the fastrpc memory mapping API. in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in APQ8009, APQ8053, MSM8909W, MSM8917, MSM8953, QCS605, QM215, SA415M, SDM429, SDM429W, SDM439, SDM450, SDM632, SDM670, SDM710, SDM845, SDX24, SXR1130

The weakness was disclosed 06/02/2020 as confirmed security bulletin (Website). The advisory is shared at qualcomm.com. This vulnerability is known as CVE-2020-3680 since 12/17/2019. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The entries VDB-155936, VDB-155937, VDB-155938 and VDB-155939 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Chip Software

Vendor

• Qualcomm

Name

• Snapdragon Auto
• Snapdragon Compute
• Snapdragon Consumer IOT
• Snapdragon Industrial IOT
• Snapdragon Mobile
• Snapdragon Wearables

Version

• APQ8009
• APQ8053
• MSM8909W
• MSM8917
• MSM8953
• QCS605
• QM215
• SA415M
• SDM429
• SDM429W
• SDM439
• SDM450
• SDM632
• SDM670
• SDM710
• SDM845
• SDX24
• SXR1130

License

• commercial

Website

• Vendor: https://www.qualcomm.com/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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