CyberSecBulletin
CVE-2022-41745NVD status: Modified

Trend Micro Apex One: Out-of-bounds Read

CVE-2022-41745 is a high-severity out-of-bounds read vulnerability in Trend Micro Apex One from Trend Micro, with a CVSS 3.1 base score of 7.0 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. Affected Trend Micro Apex One versions: 2019 (on-prem) and SaaS. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.69% chance of exploitation within 30 days, higher than 54% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Trend Micro Apex One you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on success.trendmicro.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Trend MicroTrend Micro Apex One2019 (on-prem) and SaaSNot stated
Trend MicroApex One2019Not 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
HighSuccess depends on conditions outside the attacker's control.
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:H/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Official description

An Out-of-Bounds access vulnerability in Trend Micro Apex One could allow a local attacker to create a specially crafted message to cause memory corruption on a certain service process which could lead to local privilege escalation on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

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

Third-party and government advisories

Other vulnerabilities in Trend Micro Apex One

All Trend Micro Apex One vulnerabilities

Recent Out-of-bounds Read vulnerabilities

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