CyberSecBulletin
CVE-2024-27360NVD status: Modified

Exynos 850 Firmware: Improper Validation of Specified Quantity in Input

CVE-2024-27360 is a high-severity improper validation of specified quantity in input vulnerability in Exynos 850 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 0.38% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Exynos 850 Firmware you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on semiconductor.samsung.com for workarounds and exact fixed builds.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
SamsungExynos 850 FirmwareNot specified in the recordNot stated
SamsungExynos 1080 FirmwareNot specified in the recordNot stated
SamsungExynos 2100 FirmwareNot specified in the recordNot stated
SamsungExynos 2200 FirmwareNot specified in the recordNot stated
SamsungExynos 1280 FirmwareNot specified in the recordNot stated
SamsungExynos 1380 FirmwareNot specified in the recordNot stated
SamsungExynos 1330 FirmwareNot specified in the recordNot stated
SamsungExynos W930 FirmwareNot specified in the recordNot 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 NVD.

Scoring systemScoreSeverityScored by
CVSS 3.16.0MediumCNA (mitre.org)
CVSS 3.17.5HighNVD

Official description

A vulnerability was discovered in Samsung Mobile Processors Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, and Exynos W930 where they do not properly check length of the data, which can lead to a Denial of Service.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

More Improper Validation of Specified Quantity in Input vulnerabilities (CWE-1284)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Exynos 850 Firmware

All Exynos 850 Firmware vulnerabilities

Recent Improper Validation of Specified Quantity in Input vulnerabilities

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