CyberSecBulletin
CVE-2023-42538NVD status: Modified

Samsung Mobile Devices: Out-of-bounds Read

CVE-2023-42538 is a high-severity out-of-bounds read vulnerability in Samsung Mobile Devices 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 0.23% 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 Samsung Mobile Devices you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on security.samsungmobile.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Samsung MobileSamsung Mobile DevicesNot specified in the recordNot stated
SamsungAndroid11.0; 12.0; 13.0Not 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
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 3.15.9MediumCNA (samsung.com)
CVSS 3.17.8HighNVD

Official description

An improper input validation in saped_rec_silence in libsaped prior to SMR Nov-2023 Release 1 allows local attackers to cause out-of-bounds read and write.

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.

More Out-of-bounds Read vulnerabilities (CWE-125)

Timeline

  1. CVE record published.
  2. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Samsung Mobile Devices

All Samsung Mobile Devices vulnerabilities

Recent Out-of-bounds Read vulnerabilities

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