CyberSecBulletin
CVE-2023-29092NVD status: Modified

Exynos 5123 Firmware: Improper Handling of Exceptional Conditions

CVE-2023-29092 is a high-severity improper handling of exceptional conditions vulnerability in Exynos 5123 Firmware from Samsung, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. There is no confirmed exploitation so far. EPSS estimates a 0.22% 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 5123 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.

Affected products and versions

VendorProductAffected versionsFixed in
SamsungExynos 5123 FirmwareNot specified in the recordNot stated
SamsungExynos 5300 FirmwareNot specified in the recordNot stated
SamsungExynos 980 FirmwareNot specified in the recordNot stated
SamsungExynos 1080 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
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.13.1LowCNA (mitre.org)
CVSS 3.17.8HighNVD

Official description

An issue was discovered in Exynos Mobile Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, and Exynos 1080. Binding of a wrong resource can occur due to improper handling of parameters while binding a network interface.

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

The underlying weakness: Improper Handling of Exceptional Conditions

The product does not handle or incorrectly handles an exceptional condition.

More Improper Handling of Exceptional Conditions vulnerabilities (CWE-755)

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 5123 Firmware

All Exynos 5123 Firmware vulnerabilities

Recent Improper Handling of Exceptional Conditions vulnerabilities

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