Qualcomm Snapdragon Auto Image Signature Verification Boot Image improper authentication

Summaryinfo

A vulnerability, which was classified as critical, has been found in Qualcomm Snapdragon Auto, Snapdragon Consumer IOT and Snapdragon Mobile. The impacted element is an unknown function of the component Image Signature Verification. Performing a manipulation as part of Boot Image results in improper authentication. This vulnerability was named CVE-2019-2278. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Qualcomm Snapdragon Auto, Snapdragon Consumer IOT and Snapdragon Mobile (Chip Software) (affected version unknown). This affects an unknown functionality of the component Image Signature Verification. The manipulation as part of a Boot Image leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

User keystore signature is ignored in boot and can lead to bypass boot image signature verification in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Mobile in MDM9607, MDM9640, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 636, SD 712 / SD 710 / SD 670, SD 845 / SD 850, SDM660

The weakness was presented 07/25/2019 (Website). It is possible to read the advisory at codeaurora.org. This vulnerability is uniquely identified as CVE-2019-2278 since 12/10/2018. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/12/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-138761, VDB-138779, VDB-138780 and VDB-138782 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Chip Software

Vendor

• Qualcomm

Name

• Snapdragon Auto
• Snapdragon Consumer IOT
• Snapdragon Mobile

License

• commercial

Website

• Vendor: https://www.qualcomm.com/

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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