Snapdragon: Buffer Over-read
CVE-2024-23364 is a high-severity buffer over-read vulnerability in Snapdragon from Qualcomm, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Snapdragon versions: AR8035; FastConnect 6200; FastConnect 6700, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.3% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Snapdragon you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on docs.qualcomm.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Qualcomm | Snapdragon | AR8035; FastConnect 6200; FastConnect 6700; FastConnect 6800; FastConnect 6900; FastConnect 7800; Immersive Home 3210 Platform; Immersive Home 326 Platform; and 32 more ranges | Not stated |
| Qualcomm | ar8035_firmware | all versions | Not stated |
| Qualcomm | fastconnect_6200_firmware | all versions | Not stated |
| Qualcomm | fastconnect_6700_firmware | all versions | Not stated |
| Qualcomm | fastconnect_6800_firmware | all versions | Not stated |
| Qualcomm | fastconnect_6900_firmware | all versions | Not stated |
| Qualcomm | fastconnect_7800_firmware | all versions | Not stated |
| Qualcomm | immersive_home_3210_platform_firmware | all versions | Not stated |
| Qualcomm | immersive_home_326_platform_firmware | all versions | Not stated |
| Qualcomm | ipq5300_firmware | all versions | Not stated |
| Qualcomm | ipq5302_firmware | all versions | Not stated |
| Qualcomm | ipq5312_firmware | all versions | Not stated |
| Qualcomm | ipq5332_firmware | all versions | Not stated |
| Qualcomm | ipq9008_firmware | all versions | Not stated |
| Qualcomm | ipq9554_firmware | all versions | Not stated |
| Qualcomm | ipq9570_firmware | all versions | Not stated |
| Qualcomm | ipq9574_firmware | all versions | Not stated |
| Qualcomm | qam8255p_firmware | all versions | Not stated |
| Qualcomm | qam8295p_firmware | all versions | Not stated |
| Qualcomm | qam8620p_firmware | all versions | Not stated |
| Qualcomm | qam8650p_firmware | all versions | Not stated |
| Qualcomm | qam8775p_firmware | all versions | Not stated |
| Qualcomm | qamsrv1h_firmware | all versions | Not stated |
| Qualcomm | qamsrv1m_firmware | all versions | Not stated |
| Qualcomm | qca2062_firmware | all versions | Not stated |
Version data comes from the organisation that assigned the CVE; 35 further products are omitted here. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by CNA (qualcomm.com).
Official description
Transient DOS when processing the non-transmitted BSSID profile sub-elements present within the MBSSID Information Element (IE) of a beacon frame that is received from over-the-air (OTA).
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Buffer Over-read
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Snapdragon
- 7.1 High severity
- 7.0 High severity
Recent Buffer Over-read vulnerabilities
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
- 7.5 High severity
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