Qualcomm Snapdragon Mobile/Snapdragon Wear up to Snapdragon_High_Med_2016 MQTT Request race condition

Summaryinfo

A vulnerability categorized as critical has been discovered in Qualcomm Snapdragon Mobile and Snapdragon Wear. This affects an unknown part of the component MQTT Handler. Such manipulation as part of Request leads to race condition. This vulnerability is documented as CVE-2018-11998. The attack requires being on the local network. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Qualcomm Snapdragon Mobile and Snapdragon Wear (Chip Software) and classified as critical. Affected by this issue is an unknown functionality of the component MQTT Handler. The manipulation as part of a Request leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality, integrity, and availability. CVE summarizes:

While processing a packet decode request in MQTT, Race condition can occur leading to an out-of-bounds access in snapdragon mobile and snapdragon wear in versions MDM9206, MDM9607, SD 210/SD 212/SD 205, SD 427, SD 435, SD 450, SD 625, SD 636, SD 835, SDA660, SDM630, SDM660, Snapdragon_High_Med_2016

The bug was discovered 01/07/2019. The weakness was released 01/18/2019 (Website). The advisory is shared for download at qualcomm.com. This vulnerability is handled as CVE-2018-11998 since 06/07/2018. The attack can only be done within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-120497, VDB-120506, VDB-120507 and VDB-120508. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Chip Software

Vendor

• Qualcomm

Name

• Snapdragon Mobile
• Snapdragon Wear

Version

• MDM9206
• MDM9607
• SD 205
• SD 210
• SD 212
• SD 427
• SD 435
• SD 450
• SD 625
• SD 636
• SD 835
• SDA660
• SDM630
• SDM660
• Snapdragon_High_Med_2016

License

• commercial

Website

• Vendor: https://www.qualcomm.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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