MT6768, MT6779, MT8321, MT8385, MT8755…: Access of Resource Using Incompatible Type
CVE-2024-20078 is a critical-severity access of resource using incompatible type vulnerability in MT6768, MT6779, MT8321, MT8385, MT8755, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T, MT8796, MT8797, MT8798 from MediaTek, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected MT6768, MT6779, MT8321, MT8385, MT8755, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T, MT8796, MT8797, MT8798 versions: Android 12.0, 13.0, 14.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.26% chance of exploitation within 30 days, which is low compared with other CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of MT6768, MT6779, MT8321, MT8385, MT8755, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T, MT8796, MT8797, MT8798 you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on corp.mediatek.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 |
|---|---|---|---|
| MediaTek | MT6768, MT6779, MT8321, MT8385, MT8755, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8792, MT8795T, MT8796, MT8797, MT8798 | Android 12.0, 13.0, 14.0 | Not stated |
| MediaTek | mt6768 | Not specified in the record | Not stated |
| MediaTek | mt6779 | Not specified in the record | Not stated |
| MediaTek | mt8321 | Not specified in the record | Not stated |
| MediaTek | mt8385 | Not specified in the record | Not stated |
| MediaTek | mt8755 | Not specified in the record | Not stated |
| MediaTek | mt8765 | Not specified in the record | Not stated |
| MediaTek | mt8766 | Not specified in the record | Not stated |
| MediaTek | mt8768 | Not specified in the record | Not stated |
| MediaTek | mt8771 | Not specified in the record | Not stated |
| MediaTek | mt8775 | Not specified in the record | Not stated |
| MediaTek | mt8781 | Not specified in the record | Not stated |
| MediaTek | mt8786 | Not specified in the record | Not stated |
| MediaTek | mt8788 | Not specified in the record | Not stated |
| MediaTek | mt8789 | Not specified in the record | Not stated |
| MediaTek | mt8791t | Not specified in the record | Not stated |
| MediaTek | mt8792 | Not specified in the record | Not stated |
| MediaTek | mt8795t | Not specified in the record | Not stated |
| MediaTek | mt8796 | Not specified in the record | Not stated |
| MediaTek | mt8797 | Not specified in the record | Not stated |
| MediaTek | mt8798 | Not specified in the record | Not stated |
| android | 13.0; 14.0; 12.0 | Not stated |
Version data comes from the organisation that assigned the CVE. 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
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CISA (ADP).
Official description
In venc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08737250; Issue ID: MSV-1452.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Access of Resource Using Incompatible Type
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
More Access of Resource Using Incompatible Type vulnerabilities (CWE-843)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Recent Access of Resource Using Incompatible Type vulnerabilities
- 8.8 High severity
- 7.4 High severity
- 7.8 High severity
- 7.8 High severity
- 8.8 High severity
- 8.8 High severity
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