Exynos 980 Firmware: Out-of-bounds Read
CVE-2024-50600 is a high-severity out-of-bounds read vulnerability in Exynos 980 Firmware from Samsung, 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. There is no confirmed exploitation so far. EPSS estimates a 0.41% 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 Exynos 980 Firmware you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on semiconductor.samsung.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 |
|---|---|---|---|
| Samsung | Exynos 980 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos 850 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos 1080 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos 1280 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos 1330 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos 1380 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos 1480 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos W920 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos W930 Firmware | Not specified in the record | Not stated |
| Samsung | Exynos W1000 Firmware | Not specified in the record | Not stated |
Version data comes from NVD's product matching. 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 CISA (ADP).
Official description
An issue was discovered in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, W920, W930, and W1000. Lack of a boundary check in STOP_KEEP_ALIVE_OFFLOAD leads to out-of-bounds access. An attacker can send a malformed message to the target through the Wi-Fi driver.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
How developers prevent this class of flaw
- Use a language that provides appropriate memory abstractions.
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 Exynos 980 Firmware
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 7.0 High severity
- 7.5 High severity
- 7.0 High severity
Recent Out-of-bounds Read vulnerabilities
- 7.5 High severity
- 8.8 High severity
- 8.8 High severity
- 8.8 High severity
- 8.1 High severity
- 6.0 Medium severity
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